Kathmandu, May 14 -- The Parliament Secretariat has launched an investigation into the participation of two members of the House of Representatives in an event organised by the International Network of Parliamentarians on Tibet, saying attending the forum is against Nepal's One-China policy.

Speaker Krishna Bahadur Mahara on Tuesday inquired Ekwal Miya, a lawmaker from the Rastriya Janata Party-Nepal, if he had participated in the programme held in the Latvian capital Riga earlier this month. As Pradip Yadav, another lawmaker who had accompanied Miya, was absent in the House, Mahara said he has not spoken with him yet. Officials said Miya did not give a clear answer to Mahara's query.

"The Speaker has started an investigation to establi...