World News Update, what you need to know

US President Barack Obama has closed in on deciding whether to remove Cuba from a list of state sponsors of terrorism, a major hurdle in his diplomatic thaw with Havana.

ELSEWHERE:

TEHRAN - A tentative nuclear deal reached with world powers last week is no guarantee a full agreement will be reached by the end of June, Iran's supreme leader Ayatollah Ali Khamenei says.

ADEN - Washington has warned it will not stand by while Tehran supports Shi'ite rebels in Yemen, as Iran's supreme leader denounced Saudi-led air strikes in the country as "criminal acts".

NORTH CHARLESTON, South Carolina - The US police officer charged with murder after shooting an unarmed man in South Carolina had been previously accused of excessive force in a confrontation with another black man.

MAZAR-I-SHARIF, Afghanistan - At least 10 people have died after Taliban insurgents wearing military uniforms mounted a six-hour gun and grenade siege on a court complex in northern Afghanistan.

BAGHDAD - Islamic State extremists have executed around 300 Sunni Iraqis in retaliation for the government's launch of a major offensive to regain the western province of Anbar from the radical militia, security sources say.

PARIS - France's TV5Monde television channel has resumed full operations after an "unprecedented" hack by self-proclaimed Islamic State militants, who shut down transmissions and hijacked its website and social networks.