Police have released CCTV of Daniel Rigby with two-year old Rio Smedley the day before he killed the toddler.
More top news
Teenage schoolchildren who use e-cigarettes dramatically increase their chances of graduating to tobacco, research has shown.
A year after the launch of a landmark plan to tackle the crisis, leading figures say a "much more robust" strategy is needed.
A van ploughing into pedestrians in a busy area of Barcelona echoes the circumstances of atrocities that have hit several countries.