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
At least 13 people were killed in the storm, with searches underway for many more missing.
Children are risking their lives by taking part in a dangerous new social media craze called the paracetamol challenge, police have warned.
Obese mothers-to-be put their unborn child at risk of becoming overweight even while still in the womb, a senior children's doctor warns.