Turkish police have captured a Kurdistan Workers Party (PKK) militant whom they suspect carried out a "motorbike bomb" attack on Thursday that wounded 10 people near an Istanbul police station, the state-run Anadolu Agency said on Friday.
Turkish authorities detained three Russian nationals suspected of links with Islamic State following a suicide bomb attack in Istanbul that killed 10 tourists, media reports said on Wednesday.
A Syrian suicide bomber is thought to have been responsible for an explosion in the heart of Istanbul's historic tourist district on Tuesday which killed 10 people including Turks and foreigners, President Tayyip Erdogan said.