Calls come as new data shows poorer pupils are the least likely to be vaccinated
PM also revealed 12- to 15-year-olds can book in second jabs from Monday
Vaccines minister says schools should 'not be afraid to speak to the police'
Police increase presence at targeted schools as councils demand extra powers to deal with protests
Vaccines for 12 to 15-year-olds will be administered in schools if their use for that age group is given...
Public health experts have backed calls for the government to consider vaccinating special school staff in the first priority...