noun
bombshell announcement; shocking statement
Refers to a sudden, surprising public statement that has a major impact, like a bombshell in news or politics.
大臣の爆弾声明に記者たちは驚いた。
The reporters were stunned by the minister's bombshell announcement.
Compound of 爆弾 (bomb) and 声明 (statement, declaration), literally 'bomb statement'.