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
Slovakia and the Czech Republic call for a collective rejection with Hungary and Poland to accept a mandatory quota of refugees.
A 25-year-old man has been arrested for urinating on the Cenotaph in Whitehall and pulling down commemorative wreaths.
A Bank Holiday washout has left many Britons running for cover, with a fortnight's worth of rain expected on Monday.