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- A siblings' spat over Christmas gifts escalated into a fatal shooting, per a Florida police statement.
- A 23-year-old mom was carrying her baby when her brother, 15, shot her dead, the police said.
- Their younger brother then shot him in return, the sheriff said.
An argument over Christmas presents escalated into a fatal shooting that left a young mom dead, the Pinellas County Sheriff's Office said in a statement on Tuesday.