Military troops

The idea was discussed between the two nations' defence ministers, Australia's Peter Dutton and Indonesia's Prabowo Subianto, who met in Jakarta.

Australia has also offered places for Indonesia's best military personnel at Duntroon.

Dutton said the renewed defence cooperation arrangement would see Australia and Indonesia step up their joint training initiatives, and defence operational activities over the coming years.

Some 8000 people have reached Ceuta in two days, Spanish officials say.

They say the migrants - who include about 1500 minors - either swam around the border fences that jut out into the sea or walked across at low tide.

Spain's Prime Minister Pedro Sánchez has vowed to restore order. Spain says around half of the migrants have been sent back to Morocco.

By Tuesday evening, footage of the beach showed that nearly all migrants had been cleared.

Sánchez travelled to Ceuta and Melilla to deal with the crisis, which exacerbated diplomatic tensions with Morocco.

A US Navy submarine carrying nuclear-tipped ballistic missiles is visiting Guam for the first time since the late 1980s and US and Japanese troops will practice amphibious landings on Pacific islands.

The submarine USS Pennsylvania (SSBN 735) is making what the Navy formally calls a "scheduled port visit" to the US territory in the Pacific, according to a Navy press statement.

But a US defense official says that both Japanese and South Korean delegations are in Guam at this time and will be offered rare tours of the submarine.