Amy Welch reports from Yarrow Valley Park in Chorley where 15 year old Thomas Barton drowned yesterday.
More top news
Health workers visiting Manchester have offered to pitch in to help care for those injured in an explosion at a concert in the city.
If it is confirmed as a terrorist incident, the Manchester blast would be the deadliest attack in Britain since the July 7 bombings in 2005.
US pop star Ariana Grande has said she is "broken" following the suspected terrorist attack at Manchester Arena, adding: