Grenade attack at Peru circus
Peruvian authorities have said someone exploded a grenade at a circus performance and the blast wounded 11 people, including clowns and members of the public.
Police said police are investigating whether extortionists were behind Tuesday night's attack.
Firefighters said most of the injured had shrapnel wounds in their legs, while a circus worker was hospitalised with a stomach wound.
Police are trying to determine whether the grenade was thrown or planted.