Reports of a large bombing in central Ankara, Turkey broke just before noon EST. This story is developing with more details to come. For immediate updates, follow us on Twitter.
15:14 EST: President Erdogan says Turkey has the right to defend itself.
14:27 EST: Death toll from blast increases to 28
13:50 EST: New death and injury totals come out, and President Erdoğan convenes emergency meeting in wake of attack.
13:32 EST: Death toll rises to 18 killed in suspected VBIED in central Ankara.
13:23 EST: Turkish security official suggests the PKK are behind the attack in Ankara.
13:20 EST: Alleged CCTV footage of the moment of the explosion.
13:11 EST: Ankara governor updates death toll to 11.
12:56 EST: Little new information released as blockade on coverage of bombing comes into effect.
12:36 EST: Locals on social media report that the death toll has risen to 11 dead with over 20 injured.
12:11 EST: First casualty numbers -- 5 are killed and 10 are injured, according to Ankara governor.
12:02 EST: Pictures of emergency vehicles arriving to the scene are tweeted out.
11:59 EST: First video surfaces of aftermath of explosion.
11:52 EST: A large number of casualties have been reported due to the explosion, with speculation that the bomb was targeting military barracks.
11:45 EST: Photos confirm that explosion has occurred in central Ankara, with reports surfacing that blast was caused by a vehicle exploding.
11:41 EST: Reports of large explosion in Ankara surface, with little details.