Try reading - oh, I don't know, any fucking story on the attack.
Here's one with small, easy words for you to follow;
Easy News Story For You To Read (without moving your lips)
I believe you'll find the words:
"...a blue Vauhall Tigra with blacked-out windows rams into a serving soldier .. crushing him against a road sign"
rather definitive in explaining my post.
Note the distinction between firearms officers and regular police. If a response requiring more than a baton or pepper spray is called for then basically the SWAT team has to be called in because they actually have guns. It's one thing to have your populace disarmed but your police force as well?
Go Airstrip One.