Man accused of buying the guns used in the San Bernardino attacks pleads not guilty to the five charges he faces.

Hundreds of women protest in the German city of Cologne over sexual assaults and thefts carried out by groups of men on New Year's Eve.

Authorities investigating the San Bernardino shooting, which killed 12 people, appeal for public help in tracking the attackers' movements.

The North Korean authorities say they have successfully tested a hydrogen bomb amid reports of a tremor near the main nuclear test site.

Leading US Republicans denounce President Barack Obama's move to tighten gun controls in the wake of mass shootings.

US Secretary of State John Kerry has repeatedly called leaders in Saudi Arabia and Iran to try to defuse their diplomatic row, US officials say.

Bangladesh's highest court upholds the death sentence for the head of the largest Islamist party over war crimes committed during the independence war against Pakistan.

Myanmar's new parliament is set to convene on 1 February, two months after the opposition National League for Democracy won a landslide election victory.