India, Nov. 3 -- China on Monday denied United States President Donald Trump's claims that it had tested nuclear weapons in secret.

Responding to Trump's claims, China's foreign ministry said it was a "responsible nuclear-weapons state", AFP news agency reported. Beijing further said it has always "upheld a self-defence nuclear strategy and abided by its commitment to suspend nuclear testing."

Trump had on Sunday mentioned that countries like Russia and China had conducted underground nuclear tests which were not known to the public. He said that the US would also do the same.

"I don't want to be the only country that doesn't test," Trump said. "Russia's testing, and China's testing, but they don't talk about it," the US President told...