World News Update, What you need to know

Rattled Chileans have recounted a night of terrifying aftershocks after a powerful quake struck offshore, killing at least 11 and triggering tsunami waves that ravaged stretches of the coast.

ELSEWHERE:

LOS ANGELES - California authorities have recovered the bodies of four more people killed in wildfires raging in the central part of the state, bringing the death toll to five.

TOVARNIK - Croatia has become the latest hotspot in Europe's migrant crisis, with thousands of new arrivals bound for northern Europe overwhelming local authorities as the EU's president called an emergency summit for next week.

MIAMI - Last month was the hottest August in modern history, in the latest sign of an unusually warm year across the world's land and sea surfaces, US government scientists say.

LONDON - It is the closest scientists have come yet to recreating Harry Potter's invisibility cloak.

An ultra-thin flexible material has been developed that can wrap around an object and make it vanish.

WASHINGTON - By day, White House hopefuls make speeches, meet voters and kiss babies. By night, they line up to trade jokes with America's late-night hosts - an increasingly important stop on the campaign trail.

NEW YORK - General Motors will pay $US900 million ($A1.25 billion) to settle a criminal probe on its failure to recall cars with faulty ignitions linked to at least 124 death.

ROME - An Italian lovers' spat reportedly came to a gruesome end when a woman who discovered her husband was cheating bit his mistress' finger off.