and we're going to begin this morning with that holiday heat. in seven states and the district of columbia, more than 1 million families are waking up to a fifth day without any power and air conditioning on this independence day. fireworks displays are being cancelled to let police and fire crews continue relief efforts in a region where the weather will only get hotter through the holiday. nbc's steve handelsman has more. >> reporter: it's miserable on margaret drive. in tacoma park, maryland. a tree that tore down wires friday has not been touched. some homes got power back, then lost it. and the pets are sweltering in lynn quarrel's home. >> first of all, i'm definitely worried about my cats because, i mean, heat isn't good for any animal and a lot of them are suffering right now. i'm more worried about myself. >> reporter: maggie sterner, blacked out since friday, got power from neighbors till theirs went off again. >> i feel outraged and totally