GETTYChinese jets carried out "island encirclement patrols" around Taiwan
On Monday, Chinese jets carried out "island encirclement patrols" around Taiwan, with state media showing pictures of bombers armed with cruise missiles.
Taiwan presidential spokesman Alex Huang said the defence ministry kept a close watch on the patrols and responded immediately and properly.
Mr Huang said: “Taiwan can ensure there are no concerns at all about national security, and people can rest assured.
"Such a raised military posture that may impact upon and harm regional peace and stability and cross-strait ties does not give a feeling of responsibility, and the international community does not look favourably upon this.”iPhone transfer software Related articles
He added that both sides of the narrow Taiwan Strait, which separates Taiwan from its giant neighbour, have a responsibility to protect peace and stability.
Taiwan denounced the rise in China's military deployments as irresponsible.
China considers self-ruled and democratic Taiwan to be its sacred territory and has never renounced the use of force to bring what it views as a wayward province under Chinese control.
Relations have soured considerably since Tsai Ing-wen, who leads Taiwan's independence-leaning Democratic Progressive Party, won presidential elections last year.
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Armed police soldiers lift timbers during a drill on August 24, 2016 in Chongqing, China. As the highest temperatures reached over 40 degree Celsius at 5 districts in Chongqing, officers and soldiers of an armed police crop took outdoor training
China suspects Tsai wants to declare the island's formal independence, a red line for Beijing. Tsai says she wants to maintain peace with China but will defend Taiwan's security.
Taiwan is well equipped with mostly US weapons but has been pressing for more advanced equipment to deal with what it sees as rising threat from China.
Although the United States has no formal ties with Taiwan it is bound by law to help it defend