More arrests in Manchester attack; United Kingdom remains on high alert
In total 15 people have been arrested in Greater Manchester, Warwickshire and Merseyside - but a woman and a 16-year-old boy were later released without charge. Authorities are appealing for more information about his final days. Police have released surveillance-camera images of Abedi on the night of the attack that show him dressed in sneakers, jeans, a dark jacket and a baseball cap.