ADDIS ABABA, Ethiopia—Ethiopia’s military on Thursday said it was responsible for a deadly airstrike on a busy marketplace in the country’s Tigray region. Health workers said the attack killed at least 64 people, including children, but the military insisted only combatants were targeted. A military spokesman, Col. Getnet Adane, told journalists that fighters supporting the Tigray region’s former leaders had assembled to celebrate Martyrs’ Day when the airstrike occurred. “The Ethiopian air force uses the latest technology, so it conducted a precision strike that was successful,” he said. The airstrike wounded more than 100 people, half of them seriously, a regional health official said. Health workers said Ethiopian forces blocked medical teams from responding and shot at a Red Cross ambulance trying to reach the scene. Bodies were still being pulled from the rubble and dozens of survivors were still arriving at regional hospitals with shrapnel and blunt trauma wounds …