<sod >More than 5,000 people have been arrested as part ofÂ Pakistan'sÂ paramilitary crackdown onÂ Islamist militants after more thanÂ 70 people were killed in a suicide bomb attack.< eod>< sod > Thousands of suspected terroristsÂ have been arrested as part ofÂ Pakistan'sÂ paramilitary crackdown onÂ Islamist militants in the wake of the Lahore suicide bomb attack in whichÂ 72 people were killed on Easter Sunday.< eod>