Tehran has freed the 10 US sailors detained for entering Iranian territorial waters in the Gulf.
At least 20 people have been injured in a mass shooting near a golf course in San Bernardino, California.
A Pakistani man has been sentenced to 40 years in jail by a US court for plotting terror attacks in Manchester, New York City and Copenhagen.
A second Russian military jet has violated Turkish airspace in a mission that Nato says “does not look like an accident”.
The US and Russian military will begin discussions “as soon as possible” to avoid direct clashes in the air above Syria, top diplomats have said.