World News Update, what you need to know

Prime Minister Tony Abbott says he's ambitious for Australian jobs but won't be more ambitious when it comes to tackling climate change.

ELSEWHERE

LONDON - Jurors in Rolf Harris's sex abuse trial have been urged to find the entertainer guilty on the basis that 10 alleged victims have given "chillingly similar accounts".

DUBLIN - The Irish government is launching a full-scale investigation into controversial Catholic homes for unmarried mothers, following revelations that up to 800 infants died in one such institution over a 35-year period.

DUBLIN - Ireland has become the first European country to order a ban on branded cigarette packets, following the example set by Australia and New Zealand.

LOS ANGELES - A gunman has shot and killed a student at an Oregon high school, in the latest in a spate of US shootings.

MOSUL, Iraq - Jihadists have seized Iraq's second city of Mosul and the surrounding Nineveh province, in a major blow to a government apparently incapable of stopping militant advances.