Police in Brazil investigating a gang rape which may have involved more than 30 men have said there is no doubt the assault happened, but tests on the 16-year-old victim were carried out too late to provide conclusive evidence.

India passed legislation lowering the age at which someone can be tried for rape and other crimes to 16, spurred into action by an uproar over the release of a minor convicted in a 2012 fatal gang rape of a 23-year-old woman on a Delhi bus.

Scores of protesters have taken to the streets of India’s capital to protest against the release of a juvenile convicted over the fatal 2012 gang rape of a young woman aboard a moving bus that shook the country.

A nun in her 70s has been gang-raped by a group of raiders as she tried to prevent them from committing a robbery at a Christian missionary school in eastern India, police said.