Texas: two hostages dead and police officer killed during rescue attempt

Captor also killed, officials say, after Austin police responded to 911 call that reported someone had been stabbed in a home

An attempt by police in Texas's capital city to rescue two people being held hostage ended in deadly bloodshed Saturday - both hostages died while their captor as well as a tactical officer were fatally shot, according to officials.

Austin police responded to a 911 call at 3am Saturday that reported someone had been stabbed in a home. Officers forced their way into the home in question but were shot at, the Austin police department said in a press briefing attended by CBS News.