 He says a leak detector or two in the attic might be a good idea because they'll notify your phone. If it detects a leak. Also, he says, be aware with a lot of insurers, some damage caused by heat isn't covered. Mike Murillo, WTOP News. We told you about this week's record-setting heat that led to a kink or a bend in Metro tracks near the Crystal City Metro Station. This evening, Metro says repair crews worked through the night and fixed the bend so trains no longer needed to single track through the area.