A nine-year-old boy who was stabbed in a skate park in Shipley, West Yorkshire, yesterday afternoon is due to undergo surgery today.
West Yorkshire Police said the boy, who sustained chest and arm injuries, is in a stable condition.
A 26-year-old man has been arrested for attempted murder and the murder of an 84-year-old woman.
A third incident where a eight-year-old girl was chased by a man matching the suspect's description has also been linked.
Another 26-year-old has been arrested in connection with murder and three other men in connection with the incident in the skate park.
More top news
Whitehall's latest re-homed feline has got involved in a political scrap between Downing Street's Larry and the Foreign Office's Palmerston.
Daniel Rodriguez, also known as Grymey D, used Instagram, Facebook and Blackberry Messenger to contact girls who he invited to his home.
A grandmother burst into tears after her grandson played her surprise birthday messages recorded by her family.