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
More top news
It will be cooler in the north with possible outbreaks of thundery rain in Scotland.
Nell Jones' family paid tribute to their daughter, saying how excited she had been to attend her first pop concert.
A man has been charged with the murder of two people who reportedly intervened when he shouted anti-Muslim comments on a US commuter train.