A Narail magistrate court on Monday issued summon on BNP Chairperson Khaleda Zia to appear before it on August 23 over the sedition suit filed for her comment on the number of Liberation War martyrs.Senior judicial magistrate of Narail metropolitan court Jahidul Ajad passed the order.Khaleda, on December 21 last year said, ‘There are controversies over how many were martyred in the Liberation War. There are also many books and documents on the controversy.’Her comments drew widespread flak and sparked protest among pro-liberation quarters.