At least 50 people lost their lives in a nightclub fire in the northern Macedonian city of Kocani, according to the country’s news agency MIA, citing the Ministry of the Interior.

Reports indicate the fire broke out at around 3 am local time, allegedly due to the use of pyrotechnics during a concert attended by around 1,500 people. Over 100 individuals are said to have suffered injuries, with the exact number still being assessed by authorities. The circumstances surrounding the fire remained unclear, with investigations underway to determine the cause of the blaze.