A conflict between the U.S. and China over Taiwan would risk a nuclear escalation with both militaries likely to stage sweeping operations targeting rival command and communications hubs, a leading defense research center said on Thursday.

In a strategic assessment ahead of Asia¡¯s biggest annual defense meeting in Singapore this weekend, the London-based International Institute for Strategic Studies (IISS) ?said the world was on the cusp of a new nuclear arms race ¡°with the Asia-Pacific at its core.¡±

¡°Regional states and those ?with strategic ?interests are expanding their nuclear arsenals, while non-nuclear weapons states pursue long-range conventional-strike capabilities: both challenging strategic stability,¡± ?the IISS assessment said.