The officers were shot in the head by a lone gunman in what is thought to have been an ambush, law enforcement sources say.
Patchy snow forces resorts to keep slopes closed, with only a third of pistes in the world's largest ski area in use.
The man, reportedly known for his "radical Islamic views", died after running into a police station and stabbing three officers.
NASA footage shows the spacecraft creating a spectacular light show as it smashes through superheated plasma at 20,000mph.
A cyclist is run over by a 14-wheel lorry in China but somehow manages to emerge with only minor bruising.
The dictatorship warns of "grave consequences" if the US rejects its offer of a joint investigation into the cyber-attack on Sony.
The "lightning quick" heist at Berlin’s best-known department store reportedly left several people in need of medical care.
The Home Secretary is reportedly considering hardline plans to make non-EU graduates leave the UK and apply for visas from abroad.
The detainees are handed over to Afghan authorities as the Obama administration takes a step closer to closing the facility.
Mersane Warria, 37, is charged with eight counts of murder after the children's bodies were found in a house in Australia.