A suicide bomber is believed to be linked to an Islamic State in Syria .. The attack - the shadow of the famous Blue Mosque - is another sign of the deepening instability in a region devastated by war and expand the scope of groups like the Islamic State..

The attack - the shadow of the famous Blue Mosque - is another sign of the deepening instability in a region devastated by war and expand the scope of groups like the Islamic State, which uses Turkey as an important safeguard to recruit board, supplies and oil smuggling.
Prime Minister of Turkey, Ahmet Davutoglu described the attackers as members of an Islamic State, but gave no other immediate details.

The blast also wounded in the heart of Istanbul main tourist trade, mirroring similar tactics used by militants against renowned international sites in countries such as Tunisia and Egypt.