:00:09. > :00:09.Hello. Welcome to Newsround.
:00:10. > :00:16.We're starting with news of an attack in London last night.
:00:17. > :00:23.Today, police are out protecting the streets of London.
:00:24. > :00:26.Late last night, a white van drove into people on London Bridge
:00:27. > :00:32.The area where it happened has been sealed off,
:00:33. > :00:39.They say they're treating what happened as a terror attack.
:00:40. > :00:45.Three men ran from the van, and attacked
:00:46. > :00:52.Seven people died, and many more were injured.
:00:53. > :00:54.Police were there within a few minutes, and the three
:00:55. > :00:59.Emergency services also arrived within minutes to help
:01:00. > :01:05.The prime minister, Theresa May, wanted to thank emergency teams
:01:06. > :01:11.She's been speaking this morning, after holding
:01:12. > :01:24.And united, we will take on and defeat our enemies.
:01:25. > :01:26.London mayor Sadiq Khan says the police will
:01:27. > :01:31.The police and experts and all of us are finding
:01:32. > :01:34.Londoners will see an increased police presence today and over
:01:35. > :01:40.the course of the next few days, no reason to be alarmed.
:01:41. > :01:43.One of the things the police and all of us need to do
:01:44. > :01:46.is make sure we're as safe as we possibly can be.
:01:47. > :01:48.And people are being told to stay away from the area,
:01:49. > :01:56.so the police can carry on their investigation safely.
:01:57. > :01:59.If you're upset by news like this, it's important to know that
:02:00. > :02:02.you are not the only one and it's OK to feel sad or anxious.
:02:03. > :02:05.When things like this happen, it's totally normal
:02:06. > :02:09.To think things like "Why did this happen?"
:02:10. > :02:16."Could this happen to my family and my friends?"
:02:17. > :02:19.What's important to remember is that although events
:02:20. > :02:23.like this are very sad, they are also rare.
:02:24. > :02:26.Worrying stories are often in the news because they don't
:02:27. > :02:32.So what should you do if you're feeling sad or anxious?
:02:33. > :02:38.You can speak to your parents, a teacher or an adult you can trust.
:02:39. > :02:42.They can reassure you, and help you feel better.
:02:43. > :02:44.And remember, when things like this happen, most
:02:45. > :02:50.And you can head to Newsround online for lots of help and advice,
:02:51. > :03:01.Next to Manchester, where tens of thousands of people will head
:03:02. > :03:04.to a special concert organised by Ariana Grande.
:03:05. > :03:06.She'll be joined by some of the biggest names in pop
:03:07. > :03:09.at the show, to raise money for people affected by the terror
:03:10. > :03:12.attack at her concert in the city last week.
:03:13. > :03:25.Martin is live at Old Trafford, where they're busy preparing.
:03:26. > :03:33.Yes, I am outside the Old Trafford ground, and as you mentioned
:03:34. > :03:38.tonight, Ariana Grande will be performing alongside Katy Perry,
:03:39. > :03:43.Niall Horan, Justin Bieber and Little Mix. Tonight's concert will
:03:44. > :03:48.be held in memory of the victims of the Manchester Arena attacks that
:03:49. > :03:54.happened at just under two weeks ago. It's expected that around
:03:55. > :03:56.50,000 people will be packed in at that stadium tonight, and that
:03:57. > :04:04.includes some of the original people but were there two weeks ago at the
:04:05. > :04:08.mem arena. It is Ariana Grande's first performance such that -- since
:04:09. > :04:16.that concert, and on Friday she went to visit some of the victims. She
:04:17. > :04:20.chatted to them and gave them hugs. The atmosphere here, you can see
:04:21. > :04:28.that something is actually building. Earlier on I walk round people who
:04:29. > :04:33.were already sitting waiting, and I heard that last night people camped
:04:34. > :04:38.out just to be here in time. I also got to hear some of the sound checks
:04:39. > :04:44.of some of the stars who will be performing tonight, and I had Niall
:04:45. > :04:45.Horan. That's pretty cool. At about quarter past two I will give you an
:04:46. > :04:47.update. OK, let's get some sports news now,
:04:48. > :04:50.as Cristiano Ronaldo and his team They beat Juventus 4-1
:04:51. > :04:54.in the Champions League final in Cardiff last night -
:04:55. > :04:56.of course Ronaldo helped things along with these
:04:57. > :04:59.amazing two goals for Real, The Spanish champions have now won
:05:00. > :05:04.the league an incredible 12 times. Since coach Zinedine Zidane took
:05:05. > :05:07.charge back in January last year, they've won back-to-back
:05:08. > :05:14.Champions League titles. That's all from me,
:05:15. > :05:35.Newsround's back right here Head online for all the latest on
:05:36. > :05:40.the London attack and what to do if you feel upset by the news.