BNP on Friday announced a two-day demonstration programme demanding the cancellation of the results of by-elections to Dhaka-18 and Sirajganj-1 constituencies, and protesting the arrest of its leaders and activists in ‘false’ cases.

By-elections to two parliamentary constituencies -- Dhaka-18 and Sirajganj- will be held on Thursday with participation of two major parties Awami League and BNP.