Police recovered a huge cache of guns and explosives Monday from the Las Vegas hotel room and home of the man accused of killing at least 59 people and injuring over 500 in the deadliest mass shooting in US history.

Australian search chiefs said Tuesday they now have a better understanding of where flight MH370 might be, admitting it was inconceivable that a commercial plane could vanish in the modern era.

Spain came under international pressure Monday to resolve a spiralling crisis with its Catalan region after a banned independence referendum was marred by shocking scenes of police violence.

A gunman killed at least 50 people and wounded more than 200 when he opened fire on a country music concert in Las Vegas Sunday in the deadliest mass shooting in modern US history.

At least two people were killed and more than 20 wounded when a gunman went on a shooting spree on the Las Vegas Strip late Sunday, police and US media reports said.

Catalonia's leader Carles Puigdemont said the region won the right to break away from Spain, with his government claiming on Monday that 90 percent of voters backed independence in a banned referendum marred by clashes.

After a half-century of armed struggle, the Colombian armed forces and the country's last guerrilla group, the ELN, began on Sunday a historic, if possibly temporary, truce.

Canadian police arrested a Somalian man early Sunday suspected of stabbing an officer and deliberately ramming pedestrians during a high-speed chase in a rented truck, injuring four in what Prime Minister Justin Trudeau denounced as a "terrorist attack."

A knifeman killed two women at the main train station in the French Mediterranean city of Marseille on Sunday in an attack claimed by the Islamic State group, before being shot dead by soldiers on patrol.