A man who tried to attack Brazil's Supreme Court in the capital Brasilia on Wednesday evening is believed to have been killed by his own explosives.

A man killed himself while detonating explosives after trying to enter Brazil’s Supreme Court, authorities said Wednesday, in an attack on the political heart of the country that prompted the evacuation of court staff and legislators in the capital Brasilia.

A man who failed in an attempt to break into Brazil’s Supreme Court killed himself in explosions outside the building Wednesday that forced justices and staff to evacuate, authorities said.