Many
people are feared to have been killed and wounded, sources say.
Pictures posted on social media showed a
multi-storey building in ruins. It is unclear who carried out the attack, but
Turkish media have blamed the banned Kurdistan Workers Party, PKK.
Cizre has been the subject of several curfews
in the past few months by Turkish authorities fighting the PKK.
The
explosion occurred at 07:00 (04:00 GMT) and was heard across the area.
Twelve ambulances and two helicopters were
sent to the scene, Hurriyet newspaper reports.
