Investigators believe that the deadly attack near Berlin's Pride parade on Saturday was motivated by Islamist ideology, Germany's interior minister said Sunday. "Everything we see here indicates that this was an Islamist terror attack," Alexander Dobrindt told reporters at the scene, adding that the number of injured had gone up to 29. One woman was killed in the attack. German police on Sunday were still hunting for the prime suspect. Read moreVan rams into Berlin Pride crowd, killing one and injuring 16 Police said there were indications that the suspect acted out of an Islamist ideology, with German media reporting he was a supporter of the so-called Islamic State (IS) group with a criminal conviction. The incident late Saturday shattered what had been a day of celebration for hundreds of thousands attending Christopher Street Day (CSD), one of Europe's largest Pride events. How the attack unfolded Shortly before 10:00pm (20:00 GMT) on Saturday, a white vehicle ran into people on the southern edge of central Berlin's Tiergarten park before crashing into a tree. Police say that "one or more" people then left the vehicle and fled the scene. They say several people also suffered stab wounds. Emergency services said one woman was killed and 16 others were injured, including three with life-threatening injuries.