At least 28 people including 'many children' are dead after a bus carrying Coptic Christians was attacked in Egypt. Pictured is the interior of the bus, smeared with blood

Egyptian forces have struck bases in which militants who waged a deadly attack against Christians have been trained.

President Abdel-Fattah el-Sissi said fighter jets struck militant bases in eastern Libya in retaliation for an attack by suspected Islamic State militants that killed 28 Christians and wounded another 22 south of Cairo.

The officials said the warplanes targeted the headquarters of the Shura Council in the city of Darna, where local militias are known to be linked to al Qaida, not the Islamic State group.

Mr el-Sissi warned that Egypt will strike at any bases that train militants who wage attacks in the country, wherever they may be.

Up to 10 masked attackers dressed in military uniforms stopped a convoy in Egypt province, 140 miles south of Cairo, as the group was heading towards Saint Samuel the Confessor Monastery in Maghagha to pray.

The gunmen, who arrived in three four-wheel drive vehicles, used automatic weapons to spray bullets at the convoy before fleeing. A health ministry official said a 'large number' of victims were children.

The group was travelling in a convoy of two buses and a truck from the nearby province of Bani Suief when the mass shooting happened.

No group has claimed responsibility for the attack, which came on the eve of the holy Muslim month of Ramadan.

Mr el-Sessi also directly appealed to US President Donald Trump to take the lead in the fight against global terror.

Up to 10 masked attackers dressed in military uniforms stopped a bus in Minya province, 140 miles south of Cairo, as the group was heading towards Saint Samuel the Confessor Monastery in Maghagha to pray. Pictures have emerged purporting to show the aftermath of the shooting

Shocking pictures have started to emerge showing bodies covered with black sheets near the scene of the atrocity

At least 28 people including children are dead and 25 injured after masked gunmen opened fire on a bus carrying Coptic Christians in Egypt, it has emerged. Pictures show people grieving at the scene

Relatives of those slain in the attack were pictured carrying their coffins at a funeral service at Abu Garnous Cathedral in Minya, Egypt, today

The coffins were decorated and the service was attended by thousands of Christians, pictured

As the funeral, pictured, was taking place, Egyptian forces bombed jihadi 'training camps' in Libya

In a televised address just hours after the attack, Mr el-Sissi said 'I direct my appeal to President Trump: I trust you, your word and your ability to make fighting global terror your primary task.'

He also repeated calls that countries which finance, train or arm extremists be punished.

In response, Mr Trump condemned the attack blaming ''evil organisations of terror' and 'thuggish ideology'.

In a strongly worded statement, Mr Trump referred to the 'merciless slaughter of Christians' and said a 'wound is inflicted upon humanity' every time innocent blood is spilled.

He said the attack by masked militants on a bus taking the worshippers to a monastery should bring nations together to crush 'evil organisations of terror'.

It comes after ISIS claimed responsibility for three deadly church attacks in December and April that claimed the lives of dozens of people.

The jihadists threatened more attacks against the Arab country's Christians, who make up around 10 per cent of its population of about 90 million.

Pictures of the bus aired by state television showed the vehicle riddled with machine-gun fire and its windows shot out.

A relative of one of the 28 people killed by the gunmen is pictured at the funeral

Many relatives of the Coptic Christians were pictured looking distraught and anguished at the funeral following the atrocity

An injured child is taken to the Maghagha hospital by medics after being shot by masked gunmen who opened fire with automatic rifles

Harrowing: A child cries at the scene of the deadly attack on a bus carrying Coptic Christians in Egypt

The jihadists threatened more attacks against the Arab country's Christians. Pictured: Blood stains the outside of a bus stormed by gunmen in Minya, Egypt

The group was travelling in two buses and a truck to St Samual Monastery, south of Cairo from the nearby province of Bani Suief

Ambulances were parked around it as bodies lay on the ground, covered with black plastic sheets.

Security forces launched a hunt for the attackers, setting up dozens of checkpoints and patrols on the desert road.

The grand imam of al-Azhar, Egypt's 1,000-year-old centre of Islamic learning, said the attack was intended to destabilise the country.

'I call on Egyptians to unite in the face of this brutal terrorism,' Ahmed al-Tayeb said from Germany, where he was on a visit.

President Abdel Fattah al-Sisi called a meeting of security officials, the state news agency said.

The United Nations Security Council condemned the attack in Egypt 'in the strongest terms'.

In a statement released Friday, the Council expressed its 'deepest sympathy' and condolences to the families of the victims and emphasized that the perpetrators need to be brought to justice.

A priest is pictured speaking to the press in Egypt at the funeral, with the country's President Abdel-Fattah el-Sissi vowing retaliation against any attack from militant groups

Families and friends rested on the coffins as they said farewell at the cathedral service, pictured

The grand imam of al-Azhar, Egypt's 1,000-year-old centre of Islamic learning, said the attack was intended to destabilise the country. Pictured: Relatives mourn during the funeral of victims killed in an attack at the Monastery of St Samuel the Confessor

The United Nations Security Council condemned the attack in Egypt 'in the strongest terms'. Pictured: A soldier stands at the entrance to the attacked Monastery of St Samuel the Confessor

In a statement released Friday, the UN Security Council expressed its 'deepest sympathy' and condolences to the families of the victims. Pictured: An ambulance transporting wounded Egyptians

'Terrorism in all its forms and manifestations constitutes one of the most serious threats to international peace and security,' the statement said.

Lebanon's militant Hezbollah group also condemned the attack, saying 'it is a new crime added to the criminal record of a murderers' gang'.

Egypt has been fighting ISIS militants who have waged an insurgency, mainly focused in the volatile north of the Sinai Peninsula but there have been also attacks on the mainland.

The country has seen a wave of attacks on its Christians, including twin suicide bombings in April and another attack in December on a Cairo church that left over 75 people dead and scores wounded. ISIS in Egypt claimed responsibility for them and vowed more attacks.

Late last month Pope Francis visited Egypt in part to show his support for the Christians of this Muslim majority Arab nation who have been increasingly targeted by Islamic militants.

During the trip, Francis paid tribute to the victims of the December bombing at Cairo's St. Peter's church, which is located in close proximity to the St. Mark's cathedral, the seat of the Coptic Orthodox Church.

No group has claimed responsibility for the attack, which came on the eve of the holy Muslim month of Ramadan

Witnesses said the gunmen arrived in four-wheel drive vehicles dressed in military uniforms before spraying the bus using automatic weapons

Images broadcast on state television show a badly damaged bus with blown-out windows and covered on the inside with blood

The bus was riddled with bullet holes in the latest attack on Egypt's Coptic Christians after a series of bombings on Palm Sunday

Hundreds of people rushed to the nearby hospital in Maghagha city, near al-Minya, as the wounded were brought in for treatment

While some waited for news of their loved ones outside the hospital, others waited to carry out the bodies of those who died

Following the pope's visit, the ISIS affiliate in Egypt vowed to escalate attacks against Christians, urging Muslims to steer clear of Christian gatherings and western embassies as they are targets of their group's militants.

Egypt's Copts, the Middle East's largest Christian community, have repeatedly complained of suffering discrimination, as well as outright attacks, at hands of the country's majority Muslim population.

Over the past decades, they have been the immediate targets of Islamic extremists.

They rallied behind general-turned-president, Abdel-Fattah el-Sissi, in 2013 when he ousted his Islamist predecessor Mohammed Morsi, who hails from the Muslim Brotherhood group.

Attacks on Christian homes, businesses and churches subsequently surged, especially in the country's south.

The Christians were on the way to Monastery of St Samuel the Confessor, in Minya Province (pictured) when they were attacked on Friday

On April 9, 45 people were killed in twin church bombings claimed by ISIS as Christians gathered to celebrate Palm Sunday in the cities of Tanta (pictured) and Alexandria