New Delhi, April 04 (ANI): The Congress has condemned the attack on Aam Aadmi Party chief Arvind Kejriwal on Friday. Congress leader Manish Tewari said that it is extremely condemnable and unfortunate. He added that absolute peace must be maintained during the campaign process. Kejriwal was attacked in Delhi's Dakshinpuri area by an unidentified person. The man was handed over to the police by AAP volunteers. According to reports, an unidentified person lunged at Kejriwal when he was campaigning in the area in an open jeep. He slapped him on the neck before being taken down by Kejriwal's supporters.