Tirupati (Andhra Pradesh), Nov 5 (SocialNews.XYZ) Tension flared at several locations across Andhra Pradesh on Thursday during polling for Zilla Parishad Territorial Constituency (ZPTC) and Mandal Parishad Territorial Constituency (MPTC) elections, with petrol bomb attacks and clashes reported from parts of YSR Kadapa and Tirupati districts. Political rivals, the Telugu Desam Party (TDP) and the YSR Congress Party (YSRCP), blamed each other for the incidents. In Errampalli village of Pulivendula constituency in YSR Kadapa district, considered a stronghold of YSRCP chief and former Chief Minister Jagan Mohan Reddy, petrol bombs were hurled near a polling station, triggering panic among voters and residents.