Southport stabbings - what we know so far about knife attack

PAThree young girls have been killed in a "ferocious" knife attack in Southport at a Taylor Swift-themed dance and yoga event.They have been named as six-year-old Bebe King, Elsie Dot Stancombe, aged seven, and nine-year-old Alice Dasilva Aguiar.Eight more children were injured, with five left in a critical condition, after the incident late on Monday morning. Two adults also suffered critical injuries, Merseyside Police said.Armed officers detained a male and seized a knife, with police later saying that a 17-year-old boy had been arrested on suspicion of murder and attempted murder. The attack is not being treated as terror-related, police said.Here is what we know so far about the attack.Follow live updates on this storyWho are the victims?How the knife attack unfoldedCommunity left numb by mass stabbingHow did the attack unfold?Police were called to reports of a stabbing at a property on Hart Street in Southport just before 11:50 BST on Monday.Officers were "shocked" to find multip...