At least 56 people have been killed in a crush at a football match in Guinea's second-largest city, Nzérékoré, the government says. That death toll is disputed by many in the country, who believe the true number of dead is closer to 100.

The violence took place after some fans were unhappy with the referee’s decision and stormed the pitch, according to witnesses.

An unknown number of others in the country’s largest southern city were injured when security tried to stop clashes over a disputed penalty,