Up to eight people have been killed after a gunman stormed BPM festival in Mexico's popular tourist hotspot Playa Del Carmen, APA reports citing Daily Express newspaper.
The festival organiser, a Canadian citizen, is said to have been shot dead in a revenge attack over the sale of drugs, according to local reports.
Shots were fired at around 2.30am (local time) at the dance and music event, which attracts a whole host of DJs from across the world, including UK artists.
A gunman reportedly fired through an open window at the Blue Parrot club in Playa Del Carmen, which is a popular tourist hotspot with British and American music fans.
He is believed to be at still at large.