At least 26 people were killed and 20 wounded in Texas after a gunman dressed in tactical gear opened fire at a church outside San Antonio on Sunday, investigators confirmed.

Multiple sources speaking to Fox News identified the gunman as 26-year-old Devin Patrick Kelley. The mass shooting unfolded around 11:30 a.m. at First Baptist Church of Sutherland Springs, which is about 30 miles southeast of San Antonio.