Looks like the Polis are taking the threat of domestic terrorism seriously - especially after one was killed in Istanbul and five injured (in Mardin) yesterday.
"The Istanbul Police Department sent a written document to all of its units warning of possible attacks in crowded places in istanbul, particularly in regards to the Yenikapı-Taksim metro line and metrobus, both crucial public transportation routes, on Monday."
Full article:
TZJF