Violence among girls seems more visible than ever. This year, in Walthamstow, there were shocking scenes as a fight broke out started by young women. In Belfast, a fight between two girls organised on social media became a spectator event for the city’s teenagers. BBC reporter Alys Harte asks, are girls getting angrier - and if so, why? From women who beat their boyfriends, to drunken brawlers, to girl gangs - Alys looks at the rising number of females who are involved in violence, and hears from their victims.

Star race car Lightning McQueen and his pal Mater head overseas to compete in the World Grand Prix race. But the road to the championship becomes rocky as Mater gets caught up in an intriguing adventure of his own: international espionage.