Ministry says animals fitted with sensors by foreign agencies collect sensitive sea data, in ‘invisible secret war’

China’s ministry of state security has claimed that foreign espionage and intelligence agencies are using innovative new methods to monitor the country’s waters, including deploying “spy” animals fitted with sensors.

In a post on the Chinese platform WeChat on Friday, the ministry warned that an “invisible secret war” was quietly playing out in the seas around China as foreign agencies were collecting sensitive data “through a variety of new spying devices” to produce underwater maps that pose a “serious threat to our national security”.

Kim Jong-un welcomes Chinese leader on visit to renew relations strained amid Pyongyang’s closeness with Russia

Xi Jinping has arrived in North Korea for a two-day trip, his first in nearly seven years, as China’s leader looks to revitalise ties with his junior ally.

Footage published by China’s Xinhua state news agency showed an Air China plane carrying Xi and his wife, Peng Liyuan, touching down at Pyongyang’s Sunan international airport.