A former Australian army commander accused of war crimes while serving in Afghanistan as part of a US-led occupation force told another soldier “I just want to kill [expletive],” a witness has said during a court hearing.

A senior US military official says China will soon surpass Russia as the top nuclear threat to the United States, warning that the two nuclear powers have no mechanisms to avoid miscommunication.

The chief commander of Iran’s Islamic Revolution Guards Corps (IRGC) says the Islamic Republic’s enemies are fighting a losing asymmetric war against the country.