Israel's actions have demonstrated the lack of influence that the United States now has on developments in the Middle East.

In a short press conference in Perth, the firebrand senator vows she "won't be silenced" on migration and says Sussan Ley's position is a matter for the Liberal party room.

The military operation comes hours after Poland's military said it scrambled its own and NATO allied air defences to shoot down Russian drones that crossed into the country's airspace from Ukraine.

Officers say the announcement of the reward over the weekend triggered a significant amount of information, but there are still no confirmed sightings of the alleged gunman.

Acting Prime Minister Richard Marles said the Ghost Shark fleet would complement, not replace, the AUKUS alliance.

Anti-government protests erupt into deadly violence, with Nepalese youth venting their frustration over a political system they accuse of corruption.