BBC News
At least 37 people have been killed in an explosion in Pakistan during a rally organised by an Islamist party.
More than 100 people were also injured in the explosion in north-west Bajaur district, where Jamiat Ulema-e-Islam-Fazl (JUI-F) was holding a meeting.
Police told the BBC that they have found evidence suggesting the explosion was a possible suicide attack.
A rescue operation has been completed and all injured have been taken to hospital, officers said.
Officials have warned the death toll may rise further, as 15 people are in a critical condition.