BJP leader L K Advani today said his party was forced to press for a JPC probe into corruption issues after Leader of Opposition Sushma Swaraj was not allowed to speak in Lok Sabha on it. Briefing mediapersons in New Delhi, Deputy Leader of BJP in Rajya Sabha S S Ahluwalia quoting Advani, said initially BJP never wanted to raise this issue in such a manner. Advani had said this while addressing the BJP parliamentary party. Ahluwalia told reporters after the meeting that opposition parties may have political and ideological differences among themselves but they are all united on the demand for a JPC probe.