It’s a poisonous and odorless gas." Experts said residents should mount carbon monoxide detectors on walls, about four feet off the ground, on every floor of a home. The leak reported Thursday ...

Multiple carbon monoxide alarms were going off inside ... The agency said to never disconnect a beeping alarm and to remember to get out of any building where an alarm is sounding and call 911.

Buy a portable carbon monoxide detector and take it with you on trips. Small devices can be purchased online for between $20 and $35. The detector should beep a few times when you plug it in to ...