A UPFA election office at Batuwantudawa in Poddala was attacked on Tuesday night. The office was destroyed and one person who was inside the office at that time was assaulted and seriously injured. He was admitted to the Karapitiya Hospital in a critical condition. SLFP Akmeemana Organiser Dr. Ramesh Pathirana blamed the UNP for the attack. Poddala Police are conducting investigations.