an announcement for all four nations in the uk is the booster programme of a jab, probably coming six months after the first inoculation for over 50s. the final details of that won t emerge until tomorrow. 50s. the final details of that won t emerge until tomorrow. emerge untiltomorrow. laura, thank ou, laura emerge untiltomorrow. laura, thank you, laura kuenssberg emerge untiltomorrow. laura, thank you, laura kuenssberg at you, laura kuenssberg at westminster. nearly a third of people arriving in england and northern ireland between march and may could have broken quarantine rules. research by the bbc has found that more than 300,000 cases were passed to investigators during the period. the government hasn t been able to confirm how many of these were found to have broken the rules, or couldn t be traced. but it insists it has some of the toughest border controls in the world. here s our political correspondent, alex forsyth. think back to spring this year. getting on a plane was