Making sure people arriving from abroad quarantine
Fining people at parties with more than 15 people
Checking that shoppers and people on public transport are wearing masks
Fining people at parties with fewer than 15 people
Checking whether non-essential shops are breaking lockdown rules
Stopping vehicles to ensure people are not travelling unnecessarily
Stopping pedestrians to check if they've left the house for an approved purpose
Making sure people who exercise are not too far from home