The sets of Akshay Kumar's upcoming period drama 'Kesari' caught fire on Wednesday. No casualty has been reported so far, according to the film's spokesperson.The 'Pad Man' actor had shot his part for the day and left, when the incident took place. The fire broke out after a blast occurred during a war sequence. 'Kesari' is based on the Battle of Saragarhi, where 21 Sikhs fought against 10,000 Afghans. The film is co-produced by Karan Johar, Twinkle Khanna and Business Tycoon Mukesh Ambani's daughter Isha.