Related by context. Frequent words. (Click for all words.) 53 x ray machines 51 handheld metal detectors 50 x ray machine 50 metal detectors 50 wands 49 X ray machines 48 X ray scanners 48 sniffer dogs 46 metal detecting wands 46 CCTV cameras 45 Sniffer dogs 45 Traffic wardens 45 X ray scanner 44 scanners 44 infra red cameras 44 Metal detectors 44 X ray machine 44 metal detector 44 PCR vans 43 Firetrucks 43 baggage carts 43 Bomb sniffing dogs 43 articulated lorries 43 install CCTV cameras 42 flash bangs 42 hi tech gadgets 42 breathalysers 42 scanner 42 fingerprint scanning 42 hi tech 41 iris scanning 41 mechanical diggers 41 Stun guns 41 taser guns 41 infra red 41 trollies 41 AK# assault rifles 40 sniffer dogs searched 40 cashpoints 40 baggage screening 40 Bomb squads 40 wand 40 ambulances 40 plain clothed officers 40 Support Officers PCSOs 40 knapsacks 40 Fire extinguishers 40 Helicopters buzzed overhead 40 fingerprint scanners 40 Armoured vehicles 39 HELICOPTER 39 checkpoints 39 proof vests 39 surveillance cameras 39 handheld scanners 39 airports 39 fingerprint scans 39 bomb sniffing dogs 39 walkie talkies 39 Violent Crime Reduction 39 armed escorts 39 railway stations 39 x ray 39 HI TECH 39 hovercraft 39 black balaclavas 39 cannisters 39 sniffer dog 39 manning roadblocks 39 CS spray 38 bobbies 38 Safer Neighbourhood Teams 38 thermal imagers 38 radiation detector 38 pneumatic drill 38 Polair 38 thermal imaging 38 bio metric 38 Parking attendants 38 intercoms 38 cordons 38 fluorescent jackets 38 subway entrances 38 submachine guns 38 Samurai swords 38 detectors 38 thermal imaging cameras 38 lobbed teargas shells 38 infrared cameras 38 Charing Cross 38 turntable ladder 38 wires dangling 38 studying CCTV footage 38 pistols 38 taxis 38 automatic external defibrillators 38 explosives 38 Cordons 38 infrared beams 37 drug sniffing dogs 37 Ambulances