BANGKOK - A brawl broke out as prizes were being awarded at a Thai carmaker's office party and more than 30 people were injured in the melee in which glasses, bottles and even homemade grenades were thrown, police and media said on Saturday.
AutoAlliance Thailand, a joint venture between Ford Motor Company and Japan's Mazda Motor Corporation, threw the party for its 4,000 staff on Friday evening at a restaurant in Chonburi, 100 km (63 miles) southeast of Bangkok.
The Bangkok Post newspaper said the brawl started in front of a stage as prizes were being handed out. It was not clear what sparked it.
More than 30 people were hurt and one was in critical condition, the newspaper said.