At least 135 people have been killed in "catastrophic" flash flooding across Texas, while several others remain missing.

Texas lawmakers on Wednesday scrutinized the state's emergency response to the July 4 floods that killed at least 136 people after a top Republican said legislators had no intention of criticizing or assigning blame.

AUSTIN, Texas (AP) — A review by Texas lawmakers into the catastrophic July 4 floods has no intention of second-guessing decisions by local officials or assigning blame over the tragedy that killed at least 136 people, a top Republican leading the effort said Wednesday.