ISLAMABAD, Feb. 10 -- Defence Minister Khawaja Asif on Monday stressed the need for national unity in the fight against terrorism, as the National Assembly unanimously adopted a resolution condemning the deadly suicide attack at an imambargah in Islamabad.

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Speaking on the floor of the lower house, Asif said political differences were a normal feature of democratic systems, but issues related to national sovereignty, territorial integrity and state security must remain above partisan divisions. He urged lawmakers to resolve internal disputes through dialogue and constitutional means.

His remarks came days after a suicide attack at an imambargah in Islamabad's Tarlai area du...