An explosion occurred in a cafe-tea house in the Russian city of Voronezhcausing windows to break, as reported by Russian news agencies citing local police.

In images released by the Zvezda news network, the cafe’s windows appear to have been broken “Eastern Tea House”.

Mash media group reported that the cafe was attacked in the early hours of the morningwhen there were no employees or patrons in the area.

Local police officials said, according to the state news agency RIA, that they had launched an investigation following reports of damage to the cafe.

According to the preliminary opinion of the experts, an explosive device was detonated in the cafeteria.

It was not immediately clear if there were any casualties.