UN officials in 2022 alleged that Saudi border guards were systematically killing migrants last year; an accusation that Saudi authorities strongly denied.

Sararat Rangsiwuthaporn, who is married to a senior police officer, was arrested over nine alleged murders which took place over several years.

The Royal Canadian Mounted Police say that Myles Sanderson was taken into custody near the town of Rosthern, Saskatchewan, about 100km southwest of where one of the bloodiest acts of mass violence in the country's history unfolded.

The brothers are suspected of murdering 10 people and wounding 18 more in a stabbing rampage that devastated an indigenous community in one of the deadliest attacks in Canada's modern history.

Indonesia maintains a heavy military presence in Papua, where small groups of separatist fighters have for decades waged a low-level, but increasingly deadly battle for independence.

Authorities say the killings may have been rooted in a personal grudge, possibly with intra-Muslim sectarian overtones.

Located 30km to the northwest of Kyiv's city centre, the town of Bucha was occupied by Russian forces on Feb 27 in the opening days of the war and remained under their control for a month.