In a study of 2,000 adults, 41 per cent admitted to keeping a closer eye on their neighbours’ movements since the pandemic struck. Peeking at those not observing lockdown rules or not clapping for the NHS – and looking out for groups of youngsters hanging around are among the most common behaviours to keep a watchful eye on. Others have also kept tabs on neighbours who have hosted a barbecue when not permitted, had a nosy at what kind of…