Turkish military block access to the Bosphorus bridge, which links the city's European and Asian sides, in Istanbul, Turkey, July 15, 2016. [Photo/Agencies]

Turkish military says it has taken power in the country, with reports of gunfire and television footage of tanks at the airport and key bridges over the Bosphorous, BBC reported.

Turkish prime minister dismisses talk of a coup and describes it as "unauthorised" actions by a section of the military. Airlines report all flights in and out of Turkey, a member of NATO, have been suspended.

Some senior military figures taken hostage in Ankara in what it describes as a rapidly changing situation, according to BBC and Sky news.