Two men have been arrested at Heathrow Airport on suspicion of terrorism offences after landing on a flight from Turkey.

The men, both aged 21, from Leicester and Birmingham, were detained by West Midlands counter-terrorism detectives just after 10am on Saturday.

They are being transported back to the West Midlands for questioning on suspicion of preparing terrorist acts.

Two men have been arrested at Heathrow Airport (pictured) on suspicion of terrorism offences after landing on a flight from Turkey

The arrests were intelligence-led and there was no immediate threat to the public.

On Friday detectives arrested two men in Essex and a third in East Sussex on suspicion of preparing terrorist acts.

Sussex police officers and detectives from the Met Police Counter Terrorism Command arrested the three men - two aged 28 and one 31 - on suspicion of the commission, preparation or instigation of acts of terrorism.

They are currently being held in custody under the Terrorism Act in a south London police station.

Sussex Police officers and detectives from the Met Police Counter Terrorism Command (file pic) arrested three men on Friday on suspicion of the commission, preparation or instigation of terror acts

Detectives have also executed search warrants at one address in East Sussex, and three addresses in east London. Enquiries are ongoing.

The arrests come after a series of terror attacks across the UK this year.

On March 22, five people died when Khalid Masood, 52, drove a car into pedestrians on Westminster Bridge.

Salman Abedi killed 22 people when he detonated a bomb at an Ariana Grande concert on May 22.

Masked armed police near Borough Market in London after the terror attack on June 3

Seven people were killed and at least 48 others injured when three terrorists launched an attack on London Bridge and at Borough Market on June 3.

And nine people were injured and one killed after a van ploughed into people outside a mosque in Finsbury Park, London, in the early hours of June 19.

Thousands of soldiers were deployed by Prime Minister Theresa May following the bombing at Manchester arena as she raised the UK threat level from 'severe' to 'critical'.