Istanbul police intelligence branch and anti-terror branch search three Islamic State (IS) members upon a tip-off that the suspects have received orders for further attacks across Turkey.

Security officials distributed pictures of the three suspects who have been using fake IDs. Hacı Ali Durmaz using alias of 'Mervan' , Yunus Durmaz using aliases of 'Abdüllaftif Efe', 'Sarı Yunus' and 'Muhammet Ali', along with Savaş Yıldız known with his alias of 'ebu cihat'.

Turkey has been alarmed over several bomb attacks in Turkish capital Ankara and Istanbul. The latest attack hit central Istanbul’s İstiklal Avenue on March 19 and killed five, including three Israelis and one Iranian, wounded 36 others.