Turkish prosecutors accompanied by police have started a search of an air base used by US troops, which contains nuclear weapons.

The Incirlik base in the Adana province close to Syria is used by the US-led coalition forces as a launch pad for raids on ISIS and is NATO's largest nuclear weapons storage facility.

Now in the wake of Fridays failed military coup, authorities have begun a search of the base, according to state-run media.

The Incirlik base in the Adana province close to Syria, pictured, is used by the US-led coalition forces as a launch pad for raids on ISIS and is NATO's largest nuclear weapons storage facility

The authorities have already arrested a Turkish air force general from the base who was suspected of plotting the coup.

General Bekir Ercan Van, ten other soldiers and one police officer from the Incirlik base were detained for their role in the botched Friday coup attempt.

The Turkish private DHA news agency showed footage of Van handcuffed and pushed into a van outside a courthouse.

News reports say refueling aircraft that took off from the base helped keep F-16s used by the coup-plotters up in the air.

The Turkish President accused the plotters of being part of a conspiracy led by his former ally Fethullah Gulen, who is based in Pennsylvania. The US-based preacher accused Tayyip Erdogan of staging the coup himself to justify his purge.

However, Turkey has reopened the base to U.S. planes, used to attack Islamic State, following an attempted coup.

'After close coordination with our Turkish allies, they have reopened their airspace to military aircraft. As a result, counter-ISIL coalition air operations at all air bases in Turkey have resumed,' a Pentagon statement said.

Turkey, a major U.S. ally, has allowed the United States to use the air base in Incirlik to launch attacks against the militant group. Those air operations were temporarily halted following the coup attempt on Friday.

Secretary of State John Kerry said on CNN's 'State of the Union' that he had spoken with Turkey's foreign minister three times on Saturday

Secretary of State John Kerry said on CNN's 'State of the Union' that he had spoken with Turkey's foreign minister three times on Saturday.

'They assure me that there will be no interruption of our counter-ISIL efforts,' Kerry said, using an acronym to refer to the Islamic State.

Kerry said that the difficulty for U.S. planes accessing Incirlik may have been a result of planes flown in support of the coup using the air base to refuel.

On NBC's 'Meet the Press' on Sunday, Kerry was asked if Turkey's president would use the coup attempt to seize more power.

Kerry said such a move by Erdogan would be a challenge to his relationship with Europe, with NATO and others.