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. Last Updated: 07/27/2016

Explosion in Istanbul Suburb

ISTANBUL -- An explosion believed to have been caused by a bomb blast in an Istanbul suburb injured 31 people, the Istanbul chief of police said.

Two of the wounded were seriously injured and receiving treatment at a hospital, but none was in critical condition, Istanbul police chief Celalettin Cerrah said. Most of the injuries were caused by flying glass, he said.

Police said they suspected Sunday's blast was caused by a percussion grenade, a type of explosive that usually makes a loud noise but causes limited damage.

The Anatolia news agency reported that the suspected bomb was left in a trash container, and that the force of the blast shattered windows nearby, sending glass flying onto the street and sidewalk.

Most of the injured were treated on site as police cordoned off the area and tried to maintain order, Anatolia said.

Television footage from the site showed shattered glass scattered along a sidewalk.

Police fired into the air to keep members of a crowd from attacking a man they thought had set off the explosion, said Cerrah. He said the man had tried to approach police to give information about the explosion, but that the crowd misunderstood and mistook him for a suspect.

Kurdish militants have left bombs in Istanbul and threatened more attacks after widespread recent rioting in Turkey's Kurdish-populated southeast. Militant leftist groups also have carried out attacks in Istanbul, and frequently use percussion grenades.