direct to your inboxBoris Johnson has not ruled out delaying the easing of lockdown restrictions if the South African variant of coronavirus has an impact on the vaccine.The prime minister is set to reveal his 'road map' out of lockdown on February 22, with schools set to reopen from March 8.But he would not rule out a delay to his plans when pressed by reporters during a visit to a coronavirus test manufacturing facility in Derby today.He was asked whether restrictions could be in place longer