At least 25 dead after police drugs raid in Rio de Janeiro

Police get out of an armoured vehicle during an operation against drug traffickers (Silvia Izquierdo/AP)

Police targeting drug traffickers have raided a slum in Rio de Janeiro, leaving at least one officer and 24 suspects dead.

A police helicopter flew low over the Jacarezinho favela as heavily armed men fled police by leaping from roof to roof, images on local television showed.