ISLAMABAD: Chairman Pakistan Peoples Party (PPP) on Tuesday reacted to the summon notice issued by the National Accountability Bureau (NAB) to him in the case pertaining to Park Lane Scandal.

Bilawal Bhutto took to Twitter and criticized NAB for being a part of political engineering of Pakistan Tehreek-e-Insaaf (PTI) led federal government.

He wrote on his timeline; We know who is behind this NAB Gardi.

We are fighting against those oppressors since past three generations and will not bow down before them in any case, he added.

Earlier today, the NAB issued a summon notice to chairman PPP Bilawal Bhutto Zardari to appear before the anti-graft watchdog on May 17.

According to sources within NAB, Bilawal Bhutto Zardari has been summoned in a case pertaining to Park Lane scandal.

This will be the second hearing of the chairman PPP before NAB after he was previously summoned along with his father former president Asif Ali Zardari on March 20.