PM Shehbaz counters Imran Khan's questions with a scathing quiz of his own.

ISLAMABAD -- Pakistan Tehreek-e-Insaf (PTI) Chairman Imran Khan's politics is defined by "blatant lies" and "vicious attacks on institutions", said Prime Minister Shehbaz Sharif on Tuesday, while flaying his arch-rival for his criticism of the military.

The army also came down hard on Khan on Monday for his 'irresponsible and baseless allegations' against a senior serving military officer.

The hard-hitting tweet by PM Shehbaz came shortly before Khan's arrest in Islamabad.

Responding to the questions raised by his predecessor, PM Shehbaz slapped a bundle of counter-questions, saying that the PTI chief wasn't interested in learning the facts.

"You were never interested in finding the truth about the attack but used the condemnable incident for petty political objectives," the premier wrote on Twitter.

"I have no doubt that your politics is defined by blatant lies, untruths, U-turns, and vicious attacks on institutions. Bending the judiciary to your whims and behaving as if rules don't apply to you."

Saying that smearing Pakistan Army was a recurring pattern of Khan's politics since his ouster, the premier asked in his first question if the PTI chief hadn't resorted to "constant mud-slinging of the leadership of the army and intelligence agency much before the Wazirabad attack".

"What legal route did you adopt other than hurling threats and making baseless allegations almost on a daily basis," PM Shehbaz questioned Khan.

He said that the former premier was the one to refuse the offer of cooperation from the federal government and boycott the legal proceedings.

Premier's third question was about the "savaging social media campaign" against the martyrs of the armed forces in a helicopter crash in Balochistan during flood relief work. He asked at whose behest was this campaign launched.

"Which party did the troll brigade belong to that mocked the martyrs, which was a new low and unimaginable in our politics and culture...