A man walked into a church in a small Texas church on Sunday and opened fire as the congregation were involved in weekly service - leaving at least 26 dead and a number of others injured.

The mass shooting occurred at the First Baptist Church in Sutherland Springs, about 30 miles from San Antonio, with officials saying that the gunman started shooting about 11.20am local time.

The gunman was identified in US media as Devin Patrick Kelley - who had been a member of the US Air Force.

Texas Governor Greg Abbott said that 26 "innocents had been gunned down".

To read updates as they came in, check our liveblog below:

Federal law enforcement swarmed the area, including Alcohol, Tobacco and Firearms (ATF) investigators and members of the FBI's evidence collection team.

Friends and family gathered near the church waiting for words of what had happened to loved ones, tears flowed with many incredibly anxious.