A leaking mustard gas bomb discarded by the Japanese military before or during World War II injured two children last week in northeastern China, the Japanese Embassy in Beijing said Tuesday.
Leakage from the sealed 75mm shell injured two of four children playing in a river in Dunhua, Jilin Province, on Friday, the embassy said in a statement. The Chinese Foreign Ministry told Japanese officials about the incident on Tuesday.
The embassy statement says Japan expressed sympathy for the victims.
China has sent experts to check the site. Japan might send its own experts.
Japanese and Chinese officials have reported two other cases of dumped weapons in northeast China over the past year. One incident killed a construction worker and injured 43 others in August in Qiqihar, Heilongjiang Province, giving rise to anti-Japan sentiment.
Japan occupied northeast China, under the name Manchuria, from 1931 to 1945.