The gunman who shot dead two New York policemen told people "watch what I'm going to do" shortly before the killings, police say.

Pakistan's interior minister says police have arrested several suspects in connection with last week's massacre at a school in Peshawar.

South Korea's nuclear plant operator is to conduct drills testing its ability to withstand a cyber-attack, after a data leak and threats from a hacker.

A dense fog envelops the Indian capital, Delhi, and northern parts of the country, causing travel chaos.

China is "against all forms of cyber attacks", its foreign minister says in a conversation with John Kerry about the Sony hacking controversy.

Fifa president Sepp Blatter holds talks with executives as concerns grow over future direction of football's governing body.

North Korea threatens unspecified attacks on the US as it escalates a war of words over the Sony Pictures cyber attacks.

China launches an investigation into former President Hu Jintao's top aide, state media report.