in it, he had written a message to usman khan.ack were. i have done all that i can to extinguish hate. i will show, and hopefully the world, the power of love. back now to our top story, the news that trial results have shown that the oxford university vaccine has proved highly effective. lots of people have been sending the bbc questions about vaccines. our health correspondent michelle roberts is here to try and answer some of them. the first one from brian, after vaccination how long before we achieve some protection it kicks in quite quickly, this is given as two doses you get, yourfirst quite quickly, this is given as two doses you get, your first dose and another one a month after that, in the trial they tested two weeks after that second dose and found that it was 70% effective. that doesn't mean you would have to wait the full six weeks for it to work at all, we know that the body starts reacting but it builds up over weeks, you will get a bit protection from the first jab. this question from the first jab. this question f

what darryn found was usman khan, attacking people with two knives strapped to his wrist. nce. everything changed in that moment i arrived with the tusk. and then there was a moment of silence, and one of the ladies, i think it was, who was caring for the person on the stairs, said, "oh, my god, he's got a bomb". the horrifying events inside the hall were about to spill out onto london bridge and into full public view. khan is seen being chased by a convicted murderer, steve gallant. john crilly, a former offender, carrying a fire extinguisher. and darryn. he had this protective kind ofjacket on. he had... the knives were strapped to his hand with duct tape. but when he raised his arms up to come towards me, there was this tiny little bit on his midriff that was exposed. and somehow i managed to aim this two metre—long tusk and stab him with it. other people came and started kicking him in the head. so i had to shift my body to cover his head and protect him. and i said, "don't hit him, don't hit him! take the knives off him." and for me that was more important than hitting

involved in this tragic happening, some nightmarish minutes of violence, whether they were containing usman khanravery to reduce the scale of the violence unfolding before them, others professional calmness under intense pressure, and others assisted greatly merely by vacating the building as quickly as possible, at pace, but all of them were present and i think people deal with mental anguish in their own way. some need time and space, others need structure and activity. others can appear very normal on the surface but they hurt desperately underneath, and as a leader, one of the roles is to show empathy, never bejudgmental, immense patience and indeed, then, to inspire some hope. and there has been a lot of hope since last year, going forwards. the violence and the virus that we've all seen, it's something which allows you to really prioritise what does matter in life — to value a sense of community and to sort of get on the front foot and start helping others. all of the staff have been on thatjourney. have you or any of your staff sought professional help for this? well, it is true that prof

in it, he had written a message to usman khan.hopefully the world, the power of love. now it's time for a look at the weather with matt taylor. hello, the frosty morning that some of you experienced today will be back later in the week but for the next two days, things turning milder and that process begins tonight for eastern areas. take a look across eastern england, temperatures down into single figures. by dawn, most places will be in double figures as temperatures rise through the night rather than fall. it's all due to weather fronts out to the north and west of the country bringing in south—westerly winds ahead of them, plenty of rain to any afternoon and going into western scotland still, minorflooding here, turning wetter in northern ireland and the strongest of the breed to be found in the north and west. dry conditions with some sunshine to end the day to the south and east and many will stay dry through the night, but with increasing the amounts of cloud, notice how it still raining into the morning in western scotland

either in the containment of usman khan or tending to the wounded and dying.ding, with their duty to do so at a pace. toby, could you just tell me, how have your staff been over this past year? you named a number of people who were there and who are exposed to this at the time, because it has been an extraordinarily difficult yearfor so it has been an extraordinarily difficult year for so many people, we we re difficult year for so many people, we were just talking about isolation, how are you able to support them? so, we take this very seriously. mental anguish comes to people in different ways. some need time and space, others need structure and activity. others can present very normally on the surface, but i hurting desperately underneath. i think as a leader, the need is to show empathy, never be judgement or, show immense patience and indeed, provide hope. we have been in a year where violence and the virus have really allowed us to identify the priorities in life that really matter, to value the sense of community, in the sense and get onto the front foo