Hamburg stabbing suspect known as radical, mentally unstable

BERLIN (AP) - A German official says the man who fatally stabbed one person and wounded several others in Hamburg was known to authorities as an Islamic radical but also was psychologically unstable.The suspect, a 26-year-old born in the United Arab Emirates, was quickly overwhelmed by passers-by and arrested after Friday's attack in Hamburg's Barmbek district.Hamburg's state interior minister, Andy Grote, said the man - whose asylum claim had been rejected - was known to have been radicalized b