I fear your readers might take too lightly the danger of confronting wild boar (Tales of killer wild boar in UK are hogwash, say environmentalists, 30 December). In his authoritative book Modern Pig-Sticking (1914), Major (later Lt Gen) Sir AE Wardrop warns that “should a boar come out of the jungle at a stilted trot, instead of at a gallop, he generally means business, and will very likely charge at sight”.
David Wardrop
London
• If the government envisages strikers being sacked because service levels are not being met, presumably they will also empower the regulators of public utilities to do the same to executives (Union fury as Rishi Sunak unveils anti-strike laws for ‘minimum service levels’, 5 January).
Patrick Wallace
London