US forces have conducted a strike in Syria killing senior Islamic State group leader Khalid Aydd Ahmad al-Jabouri, "responsible for planning attacks into Europe," CENTCOM said.
Poland said it had already transferred some MiG-29 fighter jets to Ukraine after fellow NATO member Slovakia announced it had shipped an initial batch of its own.
At least 12 people were killed and several others injured or kidnapped in a spate of attacks in northeast and central Nigeria, police and officials said.
Russian drones struck the strategic Ukrainian port of Odesa, local authorities said in the early hours of Tuesday, adding that "damage" had been recorded.
German arms firm Rheinmetall said it would soon open a maintenance center in Romania for military equipment used in Ukraine's battle against Russian forces.
The Philippines announced the location of four additional military bases to be used by US troops, with one site near the hotly disputed South China Sea and another not far from Taiwan.