World News Update, what you need to know

Chancey Luna, the teenager who shot Australian baseball player Chris Lane dead in Oklahoma, has shown no emotion after a judge sentenced him to life without the possibility of parole.

ELSEWHERE

LOS ANGELES - Six Irish nationals have died after an apartment balcony collapsed in the California university town of Berkeley, authorities say.

NEW YORK - Rupert Murdoch's 21st Century Fox says its board has approved a shake-up that puts the 84-year-old tycoon's son James in the chief executive job effective July 1.

AKAKALE, Turkey - Kurdish fighters have seized control of a key border town from the Islamic State group, cutting a major supply line in the biggest setback yet for the jihadists in Syria.

MOSCOW - President Vladimir Putin says that Russia will boost its nuclear arsenal by more than 40 intercontinental missiles this year, in a move slammed as "sabre-rattling" by NATO.

ATHENS - Greek Prime Minister Alexis Tsipras has accused international creditors of trying to "humiliate" the country and called on Europe to reconsider its support for harsh IMF reform proposals.

WASHINGTON - Partially hydrogenated oils, known as trans fats, are not safe to eat and must be removed from the food supply in the next three years, US regulators say.

LONDON - Broadcaster Chris Evans is to replace Jeremy Clarkson as the lead presenter of the BBC's hit motoring show Top Gear, the corporation has announced.