The Delhi police have arrested a militant of the dreaded Babbar Khalsa outfit in connection with the twin blasts in New Delhi last week, official sources said on Tuesday.
Balvinder Singh was arrested from Jalandhar on Monday, they added.
One person was killed and over 50 injured in the May 22 blasts at Liberty and Satyam cinema halls. Both theatres were screening the controversial Hindi film Jo Bole So Nihal.
Initial reports said the blasts were aimed at forcing exhibitors to withdraw the film after several Sikh organisations objected to the film's title.
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