UNB, Sylhet :Amra Sylhetbasi, a local social organisation, on Saturday called a daylong hartal in the district for Monday protesting the implication of the name of Sylhet City Corporation Mayor Ariful Haque Chowdhury in the supplementary charge-sheet in the former Finance Minister Shah AMS Kibria murder case.Amra Sylhetbasi president Abdur Razzak announced the shutdown from a mass rally held at the Court Point in the city in the afternoon.He said, they will observe the strike from 6am to 6pm. After the rally, a procession was brought out in support of the hartal.Earlier, on Thursday Senior Assistant Superintendent Meherunnesa Parul of Habiganj Criminal Investigation Department (CID), also the investigation officer of the case, submitted the supplementary charge-sheet against 32 people, including former Prime Minister Khaleda Zia’s political secretary Harris Chowdhury and SCC mayor Ariful Haque Chowdhury.Five people, including Kibria, were killed and 70 others injured in a grenade attack on a public meeting of local Awami League at Baidder Bazar in Sadar upazila of Habiganj on January 27, 2005.