Tuesday: 11:22 a.m., 407-3rd St. SE, smoke detector activation, no fire.
Tuesday: 11:55 a.m., 509-12th St. SW, natural gas leak.
Tuesday: 3:19 p.m., 407-3rd St. SE, smoke detector activation, no fire.
Wednesday: 12:11 a.m., 1931-21st St. NW, carbon monoxide detector activation, false alarm.