Maryland 8 hours ago Montgomery County schools to install vape detectors The detectors will go in bathrooms at all county high schools. News4’s Mauricio Casillas reports. Local 2:21 DC, 13 states sue TikTok, claim platform is addictive and harmful to children 2:32 Family mourns loved ones who died in suspected arson 2:03 Prince William County police combat auto thefts with high tech help 21:32 Researchers fly into Hurricane Milton: The News4 Rundown 2:57 New details in death of 5-year-old boy