Boston suspect Dzhokhar Tsarnaev pleads not guilty
11 July 2013 Last updated at 02:28 BST
The Boston Marathon bombing suspect, Dzhokhar Tsarnaev, has pleaded not guilty to setting off a pair of homemade bombs which killed three people and injured more than 250 others.
He entered the plea at the federal court in Boston.
Katy Watson reports.