The strike , called by the main opposition Bangladesh Nationalist Party ( BNP ) , to denounce the deaths of four students killed by police over the last few days , coincided with a visit to the area by Hasina .
<response> The strike , called by the main opposition <organization>Bangladesh Nationalist Party</organization> ( <organization>BNP</organization> ) , to denounce the deaths of four students killed by police over the last few days , coincided with a visit to the area by <person>Hasina</person> . </response>