this is bbc news, the headlines: president trump says the us killed iran's top military commander, qassem soleimani, to stop a war, not to start one. in a televised address, mr trump said the us had killed the number one terrorist in the world. he said soleimani had been plotting imminent attacks. the iranian government said it would retaliate against what it called an act of international terrorism by the united states, at a time and place of its choosing. many world leaders have said the killing of general soleimani could lead to serious consequences for regional and global security.