PPP Chairperson Bilawal Bhutto-Zardari expressed displeasure over the  "scenes of violence inside and outside Balochistan Assembly" and called the incident as 'unfortunate'.

"Scenes of violence inside and outside the Balochistan Assembly are highly unfortunate. We should have the tolerance to oppose each other through the power of our ideas not violence," he tweeted.

Chaotic scenes had erupted outside the provincial assembly earlier today as scores of Opposition lawmakers and supporters holding a protest outside the assembly were baton charged by police, reports The News International.

Police and opposition leaders had  locked all four doors of the Balochistan Assembly in their attempt to  prevent the budget session from taking place, IBNS said. 

Chief Minister Balochistan Jam Kamal Khan and a few lawmakers later arrived at the assembly under heavy security. After clashes marred the event, the budget session commenced under the chair of Speaker Abdul Qudoos Bizenjo. Opposition MPA Nasrullah Zehray accused the police of using violent methods to disperse the "peaceful protest" outside the assembly, the Pakistani newspaper reported.