Detectives investigating the rape of a 12-year-old girl in east London have arrested a 17-year-old boy.
Police appealed for information following the attack on the "vulnerable girl" by three man, two of whom "brutally raped her", on Saturday 27 July.
The teenage boy remains in custody at a police station in east London.
More top news
Georgina Callander's family said the government must "opens its eyes" in the wake of the attack.
Thunderstorms affect many throughout the rest of the Bank Holiday weekend.
Police have released CCTV images of the Manchester suicide bomber on the night of the arena attack.