Ponkunnam: A bus overturned at Ponkunnam last night and a number of devotee passengers are injured. The pilgrims are from Guruvayur.The mishap took place at 1:00 am at Ponkunnam-Kanjirappally route. The wounded have been admitted in hospitals at Kanjirappally and Ponkunnam. There was around forty passengers in the bus at the time of the accident.