в заложники

hostage

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phrase Rare #39,415
hostage Used with verbs such as взять («to take») to mean taking someone hostage; the English wording is usually “take someone hostage.”
RU: Бандиты взяли водителя в заложники.
EN: The bandits took the driver hostage.

А жену взял в заложники.

And he took his wife hostage.

— За пригоршню долларов (1964)

Он взял ребенка в заложники.

He took the child hostage.

— Семь Самураев (1954)