DERA GHAZI KHAN, Sep 03   -  District administra­tion has imposed section 144 on the burning of crops remaining under the mea­sures to prevent smog across the district on Sunday. In line with special directives of the provincial govern­ment, the Commissioner DG Khan Division Dr Nasir Mah­mood Bashir while presiding over a meeting regarding arrangements to prevent smog at his office, directed all deputy commissioners of the division to launch strict action against the violators of smog standard operating procedure (SoP).