China says it's "fully prepared" for a trade war with the United States if it kicks off in earnest on Friday.
According to the report, the Chinese authorities will allow its tariffs against USA products to go into effect starting at 12 a.m. Friday.
China's Foreign Ministry, when asked on Tuesday if the timing of the alert was politically motivated, said the summer was the high season for Chinese going to the United States and that Chinese embassies had an obligation to warn citizens about potential risks overseas.
China is retaliating against the United States after the Trump administration chose to impose a 25 percent tariff on $34 billion worth of Chinese products, starting Friday.
China will impose the taxes on a total of $34 billion worth of US goods.
US companies, including automakers lTesla and Ford, are expected to suffer financial losses once the tariffs are imposed, according to the AP, which also reported that China's stock market has fallen nearly 10 percent in recent weeks due to the trade war.
China's stock market has fallen almost 10 percent in recent weeks on fears of a trade war while its currency has dropped sharply against the US dollar.
According to the embassy's memo, "American public security is not sufficient" in protecting against gun violence.
About 3 million Chinese tourists visited the U.S.in 2016, an increase of 15 percent from the prior year.
Chinese currency and stock markets have been jittery ahead of Friday's tariff implementation.
The warning to Chinese travelers noted the high cost of medical treatment in the USA, the importance of guarding against crime and terrorist attacks and the considerable powers wielded by Immigration and Customs Enforcement agents.
China frequently issues travel warnings for Chinese overseas, generally in war-afflicted regions.