A hand grenade model F1 was activated and thrown at a ...

A hand grenade model F1 was activated and thrown at a restaurant. The hand grenade did not detonate, and it was located near the entrance of the venue. A restaurant window was broken, and no injuries were reported. The grenade was safely removed by the police for further investigation. It was also determined that the restaurant is occasionally used as a club by a political party. The police are investigating the case.