Within five minutes three squad cars, an Armed Response unit, and an ambulance showed up.

不出五分钟，三辆警车，一个特警小组，和一辆消防车出现了。

youdao

Within minutes there were half a dozen police cars in the area plus helicopters and an armed response unit. They caught the burglars red handed.

几分钟之内六辆警车赶来，外加几架直升飞机和还有武装反应队。他们把小偷逮个正着。

youdao

The response of the authorities has been to beef up security, with armed guards in public areas and doorway metal detectors in stations and hotels.

当局的反应是加强保卫，在公共场所增加武装岗哨，在车站和宾馆门口装配金属探测仪。

youdao

It led to an armed response from the police who closed off part of town.

BBC: Michael Calvert

Four extra armed response units are in Luton to deal with expected "further violence", police say.

BBC: Armed officers in Marsh Farm, Luton

The force said they would be called to "violent or threatening situations" instead of armed response units.

BBC: Sussex Police to increase Taser-trained officers