ISLAMABAD: Prime Minister Imran Khan on Wednesday congratulated Inspector General Punjab Shoaib Dastgir and the Punjab Police for successfully going after hardened criminals in the province. “This has sent a positive message of a new culture of zero tolerance in the Punjab police, for criminals,” the prime minister said in a tweet. Shoaib Dastgir, a BS-21 officer of Police Service of Pakistan, has taken stringent measures to nab criminals, after he was appointed IG Punjab in November last.