The ruling Shiv Sena on Monday demanded a narco test be conducted on dismissed Mumbai policeman Sachin Waze to unearth the "truth" amid a row over bribery allegations against ex-Maharashtra home minister Anil Deshmukh, which has hotted up the political scene.

Sanjay Shirsat, the spokesperson of the Shiv Sena, which is headed by Chief Minister Eknath Shinde, claimed Waze was a leader of the party when it was undivided.