A number of pick-up trucks carrying bodies arrived at a hospital in northeast Nigeria, a hospital source said after an explosion ripped through a venue in the town of Damaturu where fans had gathered to watch a World Cup match.
It was not immediately clear how many people had been injured or if anyone had been killed. A police official confirmed that there had been an "attack," but he declined togive further details.
More top news
The city has endured weeks of disruption as police investigated the poisoning of Sergei and Yulia Skripal.
Dr James Goodman underwent the procedure on his tongue at the Royal Marsden NHS Hospital.
The boat is carrying 224 migrants the Italian coastguard had assigned to Libyan authorities to rescue.