vortex; maelstrom; whirlpool
(in the middle of a) scandal; controversy; quarrel; turmoil
スキャンダルの渦中にある政治家だ。
He's a politician in the middle of a scandal.
事件の渦中に巻き込まれた。
I got caught up in the middle of the incident.
渦中の人物が記者会見で初めて口を開いた。
The person at the center of it all spoke publicly for the first time at a press conference.