At least seven people are feared dead after an electric cable fell on fans watching a Manchester United match on television.
The high-tension cable fell on a crowded viewing centre showing the Europa League quarter-final against Anderlecht in Calabar.
At least 30 people were taken to hospital by local ambulances and police who arrived quickly at the scene.
Eyewitnesses describe hearing a loud explosion from an electrical transformer which caused the cable to fall.
An eyewitness said he had counted at least 16 bodies, including children, at the scene of the accident.
It has been reported that scores of fans managed to escape.