 Police also recovered an AK-47, a 9 mm pistol and rucksacks with food.As per the police the encounter started at around 10 pm on 30 June 2010 and continued till 3.30 am, the next day and that 20 Maoists were involved in the exchange of fire.Maoist sympathiser Vara Vara Rao filed a petition in the Andhra Pradesh High Court.