A man believed to be in his 20s goes on a rampage with a knife on a commuter train in Tokyo, injuring at least 10 people, one of them seriously, just a few kilometres from an Olympic games venue.
A man believed to be in his 20s goes on a rampage with a knife on a commuter train in Tokyo, injuring at least 10 people, one of them seriously, just a few kilometres from an Olympic games venue.
