WHITE House national security adviser Jake Sullivan expressed U.S. concerns over the crisis in the Tigray region in a call with Ethiopia's deputy prime minister, Demeke Mekonnen, the White House said yesterday. The two "discussed critical steps to address the crisis, including expanded humanitarian access, cessation of hostilities, departure of foreign troops, and independent investigations into atrocities and human rights violations," in their phone call on Wednesday, the White House said. Deputy Prime Minister of Ethiopia Demeke Mekonnen, gives a press briefing on the current situation of the country at the Prime Minister office in Addis Ababa, Ethiopia November 4,…