Voters in southern states go to polls for US primary elections
Thousands of Ukrainians continue to flee Russian attacks
Scientists warn South Asia's heat wave 'a sign of things to come'
Turkish NGO gives Gazans medical support
Countries send more advanced weaponry to Ukraine
Biden warns China against military advances on Taiwan
Iran says it will avenge killing of IRGC colonel
Turkish foreign minister to visit Palestine and Israel
Ukraine dominates debate at this year's Davos Economic Forum
US president announces new 13-nation Asia-Pacific trade pact
'Death sentence' for some as medicine shortage looms
Assad regime's war crimes come to light in new study