World News Update, What you need to know

A mental competency hearing will be held in a Florida court for a 20-year-old accused of being an internet troll who attempted to organise terror attacks in Australia and the US.

ELSEWHERE:

British police have charged a 29-year-old man with attempted murder following a "terrorist" knife attack at a London Underground station.

WASHINGTON - US investigators are increasingly convinced the California shooters planned multiple attacks, given their stockpile of weapons, and are looking at whether the Pakistani woman involved radicalised her American husband.

LONDON - The Duke of Cambridge says he expects Prince George to be "bouncing around like a rabbit" as the family prepare for their first Christmas as a foursome.

LONDON - Britain's emergency response committee has met as prolonged heavy rain caused widespread flooding in northwest England and forced emergency services to evacuate homes.

ROME - More than 4600 people have been plucked to safety from unseaworthy boats off the Libyan coast, the Italian coastguard says.

VATICAN CITY - Pope Francis will this week launch a Roman Catholic Jubilee dedicated to the theme of mercy against a backdrop of unprecedented security in and around the Vatican.