<p>China vowed on Thursday to take "firm and forceful measures" after Taiwan leader Tsai Ing-wen held talks with US House Speaker Kevin McCarthy in California.</p>.<p>"China will take firm and forceful measures to firmly safeguard national sovereignty and territorial integrity," foreign ministry spokeswoman Mao Ning said at a regular briefing.</p>
<p>China vowed on Thursday to take "firm and forceful measures" after Taiwan leader Tsai Ing-wen held talks with US House Speaker Kevin McCarthy in California.</p>.<p>"China will take firm and forceful measures to firmly safeguard national sovereignty and territorial integrity," foreign ministry spokeswoman Mao Ning said at a regular briefing.</p>