With limited supplies of coronavirus tests available, the Pentagon is focusing first on testing those performing duties deemed most vital to national security. Here are some of AP’s top stories Sunday on the world’s coronavirus pandemic. WHAT'S HAPPENING TODAY:— During the pandemic, Detroit — the nation’s largest majority black U.S. city — is grieving collectively. One of the best ways to prevent the spread of the virus is to wash one's hands with soap and water. ___ONE NUMBER:— 7,000: The number of coronavirus tests being administered per day to U.S. military personnel.