The Champions Trophy is the first major ICC event scheduled in Pakistan, since jointly hosting the 1996 World Cup with India and Sri Lanka.
The courts in Pakistan have been flooded with petitions as candidates, mostly backed by jailed former prime minister Imran Khan's Pakistan Tehreek-e-Insaf (PTI), challenged the results of Thursday's general elections, alleging rigging.
Seven Pakistan track and field athletes have been banned for two years each after failing dope tests in the national championships in Islamabad last month.
Pakistan asked India to investigate the death of its national in judicial custody under "mysterious" circumstances and share the findings with it. The 35-year-old Mehmood, hailing from Lahore, had come to watch the India-Pakistan cricket match in Kanpur in April 2005. He had been given visa for 16 days, effective from April 4, but he did not return and reportedly went missing. He was arrested a year later in Faridabad township near Delhi.
A Pakistani court on Friday summoned former premier Nawaz Sharif and his family members to appear before it on November 8 in connection with three corruption cases against them.
PHF secretary Khalid Mehmood said the decision to skip the tournament in Chennai was because the players need more time to rectify their flaws.
JuD and FIF were proscribed under an ordinance that has been lapsed.
Pakistan on Wednesday hanged a man convicted for attempting to assassinate former military ruler Pervez Musharraf, the seventh execution in the country after a moratorium on death penalty was lifted following the Peshawar school carnage.