UTV News Editor Chris Hagan says that police were investigating reports of an illegal parade in Lurgan, County Armagh when the explosion took place.
Police say they were in área of blast at time, investigating reports of illegal parade. No injuries
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UKIP have made further gains in the local elections in the Anglia region and the Conservatives have won back control in Peterborough.
Labour have held Sunderland, Newcastle, Hartlepool and South Tyneside - but UKIP and the Lib Dems make some gains
Labour suffered losses in English council elections, but the initial results were not as bad as many had expected.