Japan on Wednesday condemned the actions of an active-duty Ground Self-Defense Force (GSDF) officer who broke into the Chinese Embassy in Tokyo a day earlier, with the government¡¯s top spokesman calling the incident ¡°deeply regrettable.¡±

¡°As the investigation progresses, additional details are expected to emerge, and we will take all necessary measures, in light of those findings, to prevent such incidents from happening again,¡± Chief Cabinet Secretary Minoru Kihara told a regular news conference.

Kihara said additional police officers had already been deployed to beef up security at the embassy.