The organisers of the London Marathon have announced there will be a period of silence lasting 30 seconds prior to the start of the elite men's race and mass start on Sunday to "mark the tragic events that have unfolded in Boston in the last 24 hours".
More top news
Six people have begun living in a dome in Hawaii to simulate what life would be like on Mars.
The 12th series of X Factor kicks off on ITV this Saturday but which previous winners went on to make it big?
A mother and her four young children who are feared to be travelling to Syria are being sought by police.