The clerics of Ahle Sunnat Wal Jamaat (ASWJ) staged a sit-in against the killing of Shamsur Rehman Muavia, blocked Faizabad Interchnge causing a gridlock on Islamabad Highway on Saturday.
Protests also erupted in Lahore where hundreds of people took to streets and demanded that the government arrest the killer (s).
The ASWJ announced a countrywide protest against the killing, who was assassinated in Lahore.
The angry protesters blocked Expressway, Murree Road and Kashmir Highway in federal capital. The commuters travelling between Islamabad and Rawalpindi faced difficulties owing to the blockade, as traffic snarled up in both directions.
Condemning the assassination, they demanded that the government arrest the killers.
Rallying on Friday to protest the killing of ASWJ Punjab President, the party announced to stage a sit-in at Islamabad Highway at Faizabad on Saturday.
According to police, some armed motorcyclists assaulted ASWJ Punjab cleric on Friday, leaving him critically wounded. The cleric was rushed to a nearby hospital, where he breathed his last.