Authorities say at least one explosion outside Brazil’s Supreme Court has killed one person and forced the justices and staff to evacuate the building in the capital of 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.

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.