UN Secretary General António Guterres is cancelling a trip the Democratic Republic of Congo planned for Tuesday “in light of the deteriorating situation regarding Ukraine,” his spokesperson says. Guterres was particularly concerned about reports of civilian casualties in the fighting between Moscow-backed separatists and government forces along the Line of Contact in eastern Ukraine and demanded an immediate ceasefire, the spokesperson said. The UN said it continues to support Ukraine’s independence and sovereignty within its internationally recognized borders amid fears of an imminent Russian…