Ranil Wickremesinghe's Chief of Staff Sagala Ratnayaka said the Prime Minister's position was rightfully his and the government would pursue stern action against anyone obstructing Wickremesinghe from functioning as the Prime Minister. 

"We are the constitutionally appointed government of Sri Lanka, with a clear majority in Parliament. Any person, be it a politician or a state official, trying to obstruct us will be severely dealt with when the current crisis is over," he said. 

"Let the legitimate Prime Minister function in his job," Ratnayaka said, while the UNP MPs were discussing an impeachment motion against President Maithripala Sirisena and a No-Confidence Motion against former President Mahinda Rajapaksa. 

"What they did amounted to a blatant attempt to snatch the Prime Minister's post through the back door," he said. 

Ratnayaka also added that the move was illegal and against all Parliamentary norms and traditions.