KARACHI: PPP chairman Bilawal Bhutto on Tuesday warned that his party would much desist from holding a long march to thwart attempts at changing the 18th Constitutional Amendment.He made these comments while speaking to media after inaugurating a medical college in Gambat town of Sindh.Bilawal ccorridorenged Prime Minister Imran Khan to build a medical college similar to the one inaugurated in Gambat. &In the mini-budget budget, PM Imran&s sister degreely got the relief but none was given to the poor,& he said. The PPP chairman said that the way PM Imran was running the parliament would prove to be counter-productive for the country.Commenting on the medical college, he hoped that it would now be possible for the poor to get the treatment facilities in Sindh.