After the two deadly blasts in churches Lahore on Sunday, which left at least 15 dead and over 70 wounded, provincial governments have declared Monday as a mourning day.
All missionary schools and colleges would remain closed across the country whereas the security of churches and missionary institutions and patrolling by police and Pakistan Rangers have been enhanced, Duniya TV reported.
Prayer ceremonies will also be held in the churches for the departed souls.
Furthermore, lawyers in Sindh province are observing a black day on the appeal of the bar council.
On Sunday, a Pakistani Taliban faction, Jamatul Ahrar, stormed the Roman Catholic Church and the Christ Church in the Yohanabad area of the Lahore, capital of Pakistan's Punjab province.
Meanwhile, Pakistan President Mamnoon Hussain and Prime Minister Nawaz Sharif have strongly condemned the attack.