BARNALA, Aug. 3 -- Supporters of former chief minister Charanjit Singh Channi raised slogans during the party's 'Har Booth, Congress Mazboot' programme in Barnala, exposing yet again the simmering factionalism in the Punjab Congress. Similar slogans had been raised during the campaign in Patiala and Sangrur on Saturday. Significantly, the incident took place in the presence of AICC general secretary and Punjab in-charge Bhupesh Baghel, Punjab Congress president Amarinder Singh Raja Warring, Barnala MLA Kuldeep Singh Kala Dhillon and other state leaders. The programme was briefly disrupted when a group of Channi supporters raised slogans including "Channi teri soch te pehra deyange thok ke" and "Charanjit Channi Zindabad". As the sloganeerin...