President Donald Trump has said a "swift and lethal kinetic" US military strike has killed "the infamous leader" of Venezuela's Tren de Aragua street gang.
Ukraine's continued strikes on fuel supplies to Crimea have sparked the worst fuel crisis on the Russian-held peninsula since it was illegally annexed by Russia in 2014.
Forecasters say there is a risk of a "very strong" El Nino, which typically leads to higher global temperatures and drought in some areas, but heavy rainfall in others.
Petrol stations in the Russian-held Crimea had run dry on Thursday, witnesses said, after Ukraine stepped up drone strikes on supply lines to the peninsula.
Experts have called the filming of a close encounter between divers and a great white shark in the Mediterranean Sea an "exciting" moment - but warned little is understood about the region's shark population.