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WASHINGTON (WUSA9) -- Here are five things you need to know on Tuesday, July 22:

More humid Tuesday with isolated T-storms

Hot and humid today with isolated storms. Hotter and humid Wednesday with scattered storms. Wednesday will be the hottest day of the week and a possible YELLOW Alert day. FULL FORECAST

Multiple crime scenes investigated in Suitland homicide

One person was killed early Tuesday morning in Suitland and police are investigating multiple crime scenes in relation to the killing. READ MORE

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Autistic twins kept in Md. basement by their parents

Police said 22-year-old autistic twins were allegedly being kept locked in their Rockville, Md. basement by their parents. FULL STORY

Rebels turn over MH17 black boxes

Under mounting world pressure, pro-Russian rebels handed over data-filled black boxes from the Boeing 777 downed over eastern Ukraine to Malaysian officials Monday as victims' bodies began a grim journey to Amsterdam. FULL STORY

Bumpy Metro Friday turns to smooth Silver Line Monday

Compared to a bumpy Friday rush hour caught on tape, the roll out of Metro's Silver Line trials during rush hour Monday was smooth sailing. READ MORE

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