An alleged SIMI member has threatened to kill a Shiromani Akali Dal (Badal) MLA and blow up a gurdwara, prompting police to lodge an FIR and throw a security cordon around gurdwaras in the capital.br br Manjinder Singh Sirsa, the Rajouri Garden MLA and the general secretary of Delhi Sikh Gurudwara Management Committe, had received a call on his private number in March from Aftab, an alleged SIMI member.