Officials say the three tourists killed in Mexico were believed to have been attacked while trying to prevent their vehicle being stolen.
The bodies of Australian brothers Callum, 33, and Jake Robinson, 30, as well as American Carter Rhoad, 30, were found at the bottom of a well in Baja California state after a days-long search.
According to Baja California state prosecutor Maria Andrade, it's believed that the attackers were trying to steal the tyres from the vehicle and shot the trio when they resisted.
Their bodies were found in a 15ft deep well on Friday, each victim had been shot in the head. Authorities found a burnt pick-up truck, abandoned tents, and a phone nearby.
Three people have been detained by police in suspicion with the attack.
A fourth body was also found in the well, unconnected to the case, officials confirmed.
Portugal's authorities have said that between July 27 and August 15, 1,331 excess deaths from extreme heat were reported, with the over 75 age group particularly hard hit, Euronews reported on Saturday.
A tour bus carrying more than 50 people veered out of control and rolled over on an Upstate New York highway on Friday, killing at least five people and injuring dozens of others, authorities said.
Foreign ministers from European countries, Australia and Britain on Friday jointly condemned Israel's plans to construct a settlement east of Jerusalem.
Famine has struck an area of Gaza and will likely spread over the next month, a global hunger monitor determined on Friday, an assessment that will escalate pressure on Israel to allow more humanitarian aid into the war-torn Palestinian enclave.
North Korean leader Kim Jong Un lauded his country's "heroic" troops who fought for Russia in the war against Ukraine, in a ceremony where he decorated returning soldiers and consoled children of the bereaved with hugs, state media said on Friday.