Mr Trump says the officer "did a poor job" when he failed to intervene in last week's deadly shooting.
Karl Donnelson from Colorado is armed and says he's ready to fire if an incident occurs in his school.
Donald Trump says the US will impose the "largest ever" set of new sanctions against North Korea.
France warns failure could sound the UN's death knell, as a rebel enclave continues to be bombarded.
The pastel artwork was taken more than eight years ago from the Musée Cantini in Marseille.
The drug crisis is shifting, with addicts and dealers looking to China for new supplies.
Shares in Snapchat's owner sink after the reality TV star tweets her criticism of the messaging app.
Mr Manafort and Mr Gates allegedly conspired to hide more than $30m from tax officials.
Four million women have been raped once in their lives, a major survey of abuse in France suggests.
She recorded hits like Da Doo Ron Ron and He Hit Me with Phil Spector in the 1960s.
The Canadian schoolgirl's death spurred calls for an inquiry into dead and missing indigenous women.
The Republican, who admitted last month to an affair with his hairdresser, is taken into custody.
The president said violence in video games had a big influence on how youths view the world
Germany and France warn of impact on efforts to tackle terrorism as nations clash over funding.
The latest global news, sport, weather and documentaries
Stories from around the world
Email us at email@example.com
Send an SMS or MMS to +44 7624 800100
Follow Have Your Say on Twitter
Why you can trust BBC News