Turkey attack 'hit visa section' of US embassy
1 February 2013 Last updated at 13:08 GMT
The foreign news editor from Turkish 24 hour news channel NTV, Nihan Sevinc says the visa section of the US embassy bore the brunt of a suspected suicide bomb attack.
She said they believe the suspected bomber and at least one security guard died in the explosion.
Dozens of ambulances and fire engines rushed to the embassy, in an area which is also home to other diplomatic missions.