Incident aboard ISS.

[Scotius]

According to Roskosmos, inside american segment of the station there was a leak of ammonia. Astronauts safely evacuated to the russian segment.

Edit.

I found about it on polish news site and in the radio, but...I checked the Google, and couldn't find any link to this news. What gives?

Edited January 14, 2015 by Scotius

[Nitrous Oxide]

http://www.independent.co.uk/news/science/iss-crew-evacuated-from-us-part-of-international-space-station-after-ammonia-leak-9977319.html

Because people have to write the news and make sure to get sources and not fuel pointless speculation and misinformation?

[Dodgey]

According to NASA it is not known yet the cause of the alarm, it could still be a faulty sensor.

[Frida Space]

There hasn't been any leak, nor any fire. Just a false positive, I guess.

[Space_Kraken]

ABC this morning reported they were able to contain the leak, and repaired it. I apologize if this information was incorrect, I was half asleep watching it.

[Mazon Del]

http://news.yahoo.com/crew-evacuates-u-section-space-station-leak-agencies-114359279.html I saw this and headed over, unsurprisingly there was already a thread on it.

[Kryten]

It appears so far that there was no ammonia leak into the interior of the station, but there might have been a leak from one cooling circuit to another.

[Frida Space]

The sensors detect an anomaly related to the pressure in the cooling system, but probably no leak.

[PlonioFludrasco]

Updates here: https://blogs.nasa.gov/spacestation/

[henryrasia]

Wow, another fault with the ammonia system? Who built that thing? And how long has it been up there? Maybe this second failure warrants a complete reworking of that system?

[Kryten]

The sensors detect an anomaly related to the pressure in the cooling system, but probably no leak.

It seem more likely the 'detection' was itself an anomaly. There were also a bunch of false fire alarms, could be a general electronics or alarm system issue.

[KerbMav]

could be a general electronics or alarm system issue.

Are the main station computers connected to the internet?