Pakistan Muslim League (N) leader and former prime minister Mian Nawaz Sharif addressed thousands of party leaders and activists at Kot Lakhpat jail.
They visited the jail to meet the former prime minister.
He could not meet them individually, but addressed them at the jail.
This is the first incident in the history of Pakistan that a political leader addressed political workers and leaders in jail.
He said in his address he was determined, strong and high-spirited, and the political activists and leaders should fulfill their responsibility and raise their voice for the rights of the people.
He said, he will be with the masses soon after his release from jail.
He expressed hope that no power in the world can stop Pakistan from progress and development.