A gunman opened fire inside the First Baptist Church in Sutherland Springs on Sunday, killing 26 people and wounding 20 others, authorities said.

Texas Gov. Greg Abbott called the attack the deadliest mass shooting in his state's history. The youngest victim was 5 years old and the oldest was 72. Officials said 23 people were found dead inside the church, two outside, one transported and died later.

The shooting suspect has been identified as 26-year-old Devin Patrick Kelley, CBS News has learned from federal law enforcement sources.

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