Five ultra-Orthodox Jews arrested after spitting incidents spark outrage in Jerusalem

Video shows group of Haredi men spitting at Christian pilgrims carrying a cross in Jerusalem's Old City.
Incidents draw condemnation from Israeli officials, concerns over rising harassment of Christians.
Police arrest five suspects for hostile acts against Christians; one charged with assault.
Spitting traditionally seen by some Jews as way to ward off presence of idolatry.
PM Netanyahu vows zero tolerance, urgent steps against rising religious intolerance.