Pakistan Prime Minister Nawaz Sharif on Wednesday told a joint session of Parliament that Pakistan has a firm commitment to continue its support to "Kashmiris for their legitimate" struggle.Sharif said the UN resolutions on Kashmir are still on the agenda of the UN Security Council and the international community should take immediate steps for implementation on these resolutions, Radio Pakistan reported.Kashmir is "burning continuously like a volcano and a convoy of Hurriyat is on its way to achieve the objectives", Sharif said."Indian forces cannot suppress the struggle of Kashmiris for right to self-determination."The Pakistan Tehreek-e-Insaf (PTI) announced that it would boycott Wednesday's joint parliamentary session on the Kashmir issue, with party chairman Imran Khan saying his party would no longer endorse this Parliament."We fully back Kashmiris' right to self-determination," said Imran, adding there wasn't much left for discussion in the joint session of Parliament.He said that Nawaz Sharif had lost the moral authority to stay as the Prime Minister and that Tehreek-i-Insaf would no longer endorse this parliament.