you are watching bbc news, king charlesl watching bbc news, king charles iii's first trooping the colourgnant moment for her. she and i go way back, i should say we went through training together. you go way back, i should say we went through training together.- through training together. you are watchin: through training together. you are watching bbc _ through training together. you are watching bbc news, _ through training together. you are watching bbc news, king i through training together. you are watching bbc news, king charlesl watching bbc news, king charles iii's first trooping the colour ceremony. it is the first time the monarch has ridden on horseback at the event in 30 years. stay with and for more coverage on bbc news, and on bbc one the rest of the days news. live from london. this is bbc news. at least 40 students killed and many feared abducted as militants linked to the islamic state group attack a school in uganda. questions mount over whether greek authorities could've done more to prevent a deadly migrant boat disaster. president putin says he's moved some of russia