reporter: we understand this took place at the main entrance usually used to reach the holy sites of jerusalem. it s often a tense flash point we ve seen clashes erupt in this area before. we know tonight israeli police say a 19-year-old palestinian approached say they israeli border police. they re posted with a knife. when police began approaching him for questioning, he stabbed one of the officers in the unner body. the officers responded with live fire. the officer is in moderate condition and the attacker is in serious condition. both were evacuated to hospitals for further treatment. this comes, though, on the same day as the two suspects in the terrorist attack from thursday night in the city of alaud were caught after a three-day man hunt. that attack taking place where they say the suspects used both a rifle and ax killing three people, injuring four more, three of them critically