Imran Khan’s supporters hold protest across Pakistan; see pics

Supporters of former Pakistani Prime Minister Imran Khan's party, Pakistan Tehreek-e-Insaf, chant slogans next to a burning tire during a protest to condemn a shooting incident on their leader's convoy, in Karachi, Pakistan.

Supporters of Pakistan former Prime Minister Imran Khan, react following the shooting incident on his long march in Wazirabad, during a protest in Karachi, Pakistan.

Supporters of Pakistan former Prime Minister Imran Khan, react following the shooting incident on his long march in Wazirabad, during a protest in Karachi, Pakistan.

People gather near a truck after a shooting incident on a long march by Pakistan former Prime Minister, in Wazirabad, Pakistan.

Pakistan's former prime minister Imran Khan injured after an unidentified gunman opened fire during his protest march in Pakistan's Punjab province.

Former Pakistani Prime Minister Imran Khan is helped after he was shot in the shin in Wazirabad, Pakistan.

An unidentified man being captured after he fired on Pakistan's former prime minister Imran Khan and others during a protest march in Pakistan's Punjab province.

Former Pakistan Prime Minister and Pakistan Tehreek-e-Insaf (PTI) Chairman Imran Khan gets injured in a firing incident by a suspected assailant near his container during a long march carried out by him, near Zafar Ali Khan chowk, in Wazirabad.

Police officers stand outside the main entrance of the hospital where former Pakistani Prime Minister Imran Khan is being treated, in Lahore, Pakistan.

Supporters of former Prime Minister Imran Khan, react following the shooting incident on his long march in Wazirabad, during a protest in Rawalpindi, Pakistan.