Hundreds of floral tributes and toys have been laid out in Southport following the knife attack on Monday which killed three children - Bebe King, 6, Elsie Dot Stancombe, 7, and Alice Dasilva Aguiar, 9. A 17-year-old boy has been arrested on suspicion of murder and attempted murder. Report by Kennedyl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn