Explosion in Istanbul metro station

Explosion in Istanbul metro station  Istanbul: An explosion was heard in a metro station here in Turkey's largest city late Saturday, a media report said.

The explosion was heard in Istanbul's Taksim Square metro station and many people were seen rushing out, even as thick smoke came out from inside the station, a news agency quoted a local source as saying.

Though there has been no official report so far on the incident, another eyewitness said the smoke was due to some garbage catching fire.