Our security and defence analyst Michael Clarke returns to answer your questions on the Ukraine war at midday today. Send in yours below to join in.

A divided top team, concerns about whether sanctions really work, and the prospect of personal gain could all be holding the US President back ...

South Korea's new President Lee Jae-myung vowed Wednesday to restart dormant talks with North Korea and bolster a trilateral partnership with the U.S. and Japan, as he laid out key policy goals for ...