Update: Armed man dead after police end siege on bus in Rio

An armed man who held dozens of people hostage on a bus in Rio de Janeiro and threatened to set it on fire has been seized by officers after a four-hour standoff, Brazilian police said.

Update: Officials have confirmed that an armed man who held dozens of people hostage on a bus in Rio de Janeiro and threatened to set it on fire has been killed by police after a four-hour standoff.

The man, armed with a gun and a knife, took 37 people hostage as the bus was on a busy bridge linking the suburb of Sao Goncalo to central Rio de Janeiro, before being shot dead by police, according to the Rio de Janeiro state governor.