evening news, how some children's hospitals are turning to four like it friends when adults cannot vi t. ♪ captioning sponsored by cbs >> brennan: breaking news as we come on the air, white house on alert. president trump interrupted as he is holding a press ing erence, told to leave the white house briefing room by the secret service. what we're learning tonight. five million and counting, the number of coronavirus infections climbs as the fight over going back to school heats up. the high school that just closed after nine people test positive. plus the major college sports conference on the verge of canceling its football season. mask confusion. the new study just out, are some masks actually worse than not covering your face at all? what you need to know. deadly explosion, an enormous blast levels three houses in baltimore, killing at least one and trapping children beneath the rubble.