Update 4: Last.fm website is back. User profiles are now accessible. Scrobbles submitting without any glitch. Radio is still not fixed it seems.
Update 3: Datacenter's chillers fixed. Scrobble submissions may start anytime. Website will take take time to come up.
Update 2: Scrobble Submissions have also failed. But you need not worry as your last.fm client will cache all your scrobbles and send them to last.fm once it is back again
Update: We have received a tip that Last.fm has already got their engineers working on the chillers that has caused this mishap.
The well known music service last.fm has temporarily shut down due to an issue with their datacenters getting overheated. Their website currently currently reports an apology and a minimal description about the situation which being the failure of a chiller leading to a high ambient temperature, leading to 5 other chillers failing. Although the status page shows submissions are working fine, my last.fm client here is unable to submit any new scrobbles. Michael says its been already 150 minutes since the incident was first reported.
The website, however does not post any definite time by which the service would get fixed. The graph below shows how all of the four rows used at the datacenter by last.fm failed one after another. For further updates and news keep a look on the lastfm twitter page. We will also keep you updated.