The government of Sindh has announced public holiday on May 12. In a press briefing here, Chief Minister Sindh Syed Qaim Ali Shah said May 12 will be commemorated as ' Day of Mourning. The tragedy happened because chief justice of Pakistan was due in the city. Peoples Party suffered most in May 12 tragedy, therefore, we decide to observe day of mourning on May 12. There will be holiday in the province. He said law and order should not be disturbed as disturbance in Karachi affects rest of the country.