It comes in the wake of last night’s terror attack, which left at least 36 dead and more than 100 injured.

In a statement Abta said: "Following an attack at Istanbul Ataturk Airport, travellers in Istanbul are advised to follow the advice of the local authorities and the Foreign & Commonwealth Office.

"The Foreign Office currently advises that British tourists visiting Turkey should be alert to their surroundings and remain vigilant in crowded places.
 
“People due to travel should speak to their travel company or airline for information about travel to and from Istanbul. Flights to and from Ataturk International Airport are resuming gradually.
 
“The vast majority of British holidaymakers will visit the beach resorts on Turkey’s south coast which are hundreds of miles away from Istanbul. Following incidents earlier this year, Istanbul’s popularity as a city break destination has declined and there will be small numbers of British nationals in the city at this time.”

The gun and bomb attack at Ataturk International Airport involved three attackers who blew themselves up, leaving 140 injured in addition to the 36 killed.

The Turkey prime minister has said early signs point to the so-called Islamic State, but no-one has so far claimed responsibility.

The United Nations World Tourism Organisation has called on the international tourism community to “stand by Turkey” following the attack.

In a statement the UNWTO Secretary-General, Taleb Rifai said: “Today we were reminded once again that we are facing a global threat that requires a firm and coordinated response by all governments and the international community.”
 
He added that safety and security remained a “priority for the tourism sector and that the sector was being targeted as a pillar of the economy and livelihoods in many countries”.

He also called upon the international tourism community to “stand by Turkey in facing this challenge” and said at times such as this “we need to cooperate and not isolate affected destinations”.
 
“Turkey is a leading tourism destination and we are confident it will continue to be so; it is now time to support Turkey,” he added.