Last.fm has become the latest social network to reveal it is investigating the leak of some of its users' passwords.
A message posted on its website today has urged account holders to log in and change password as a precautionary measure.
The music streaming and statistics service had 30 million active users in March 2009.
More top news
Leicester City's unlikely Premier League success features on the front pages of many of Tuesday's national newspapers.
Baywatch actor David Hasselhoff has got engaged to his Welsh girlfriend Hayley Roberts.
Leicester City players have been celebrating their Premier League title after Spurs drew with Chelsea on Monday night.