text: Japan says China regrets submarine intrusion TOKYO -- China expressed regret today over what it called an accidental incursion by one of its submarines into Japanese waters last week, Japan #39;s foreign minister said, the first time Beijing has acknowledged the submarine was one of its own.
inputs: Japan says China regrets submarine intrusion TOKYO -- China expressed regret today over what it called an accidental incursion by one of its submarines into Japanese waters last week, Japan #39;s foreign minister said, the first time Beijing has acknowledged the submarine was one of its own.