1.  As a member of the UN Security Council, China can veto that approval.

2.  In the Kosovo conflict NATO is not fighting under a U.N. mandate, in part because Russia and China said they would veto approval for the air attacks.

3.  By blocking consensus on the treaty, India effectively vetoed conference approval of the accord Tuesday.

4.  India, in refusing to accept the treaty, effectively vetoed conference approval of the accord on Tuesday.