:00:00. > :00:09.Hi, I'm Naz with your window on the world.
:00:10. > :00:23.Coming up in the next few minutes: The first pictures arrive
:00:24. > :00:24.First up, it's a really important day.
:00:25. > :00:27.We're getting a new Prime Minister, and for only the second
:00:28. > :00:34.A lot of changes will be happening behind that door today.
:00:35. > :00:37.David Cameron, who is Prime Minster at the moment, decided to resign
:00:38. > :00:41.after he lost the vote on leaving the European Union last month.
:00:42. > :00:51.So, later, Theresa May will be moving in as the new Prime Minister.
:00:52. > :00:57.Theresa May is currently the Home Secretary, she looks at the things
:00:58. > :01:01.like police and immigration, but she will take on the top job. There will
:01:02. > :01:03.be loads of things happening today, and I been taking a lot at what will
:01:04. > :01:06.be going on. There are three key
:01:07. > :01:09.players - David Cameron, And here's how the
:01:10. > :01:11.handover will work. At midday, David Cameron will go
:01:12. > :01:14.to the houses of parliament for his last Prime Ministers
:01:15. > :01:15.Questions. That's where MPs ask him about
:01:16. > :01:18.what the government's been doing. As it's his last one,
:01:19. > :01:21.things might be a bit different. Expect plenty of tributes
:01:22. > :01:24.to David Cameron - especially Whenever there's a change of prime
:01:25. > :01:30.minister or government, the person leaving and
:01:31. > :01:32.the one taking over has So later today, David Cameron
:01:33. > :01:37.will head over to Buckingham Palace to see Her Majesty and officially
:01:38. > :01:41.step down from his job. Once he's done that,
:01:42. > :01:44.he'll go back to being the MP for the people of Witney
:01:45. > :01:46.in Oxfordshire, who voted Theresa May will be the next
:01:47. > :01:52.in to see the Queen, and that's the big moment -
:01:53. > :01:54.she'll then be the new When Mrs May leaves the Palace,
:01:55. > :01:59.she'll move into 10 Downing Street - Once she's there, she'll start work
:02:00. > :02:20.and choose who she wants Theresa May got the job after her
:02:21. > :02:24.rival pulled out and some people think that is unfair. But she's got
:02:25. > :02:27.a lot to do, and she's got a big to-do list. Adam Fleming has been
:02:28. > :02:32.taking a look for us. Hello from a very rainy Westminster,
:02:33. > :02:35.where we're all waiting for Prime Minister Theresa May
:02:36. > :02:37.to start doing her job. The first thing she's got to do
:02:38. > :02:40.is pretty boring, it's moving all her stuff into the flat
:02:41. > :02:43.in Downing Street about the Prime Then she will have do pick
:02:44. > :02:46.other politicians to do all the big jobs in government,
:02:47. > :02:49.running things like the nation's finances, the Armed Forces,
:02:50. > :02:51.schools and hospitals. Her next big challenge
:02:52. > :02:53.is negotiating with the 27 other leaders of other European
:02:54. > :02:56.countries to get us out of the That club of European
:02:57. > :02:59.nations that we voted to In terms of other stuff
:03:00. > :03:03.she wants to do, well, lots of speeches saying she wants
:03:04. > :03:07.to change Britain so it works for everyone, not just if
:03:08. > :03:10.you are very wealthy. practice, we'll have
:03:11. > :03:13.to wait and see to find out what the new Prime Minister does
:03:14. > :03:16.for the next few days, the next few weeks
:03:17. > :03:27.and the next few years. We've got a busy day ahead, and you
:03:28. > :03:33.can keep up to date online, and I will be here at 4:20pm. It is now
:03:34. > :03:36.back to you. The Juno probe that was sent to take
:03:37. > :03:41.pictures of Jupiter last week has It shows a sunlit portion
:03:42. > :03:45.of the planet and three of its big Juno is now moving away
:03:46. > :03:49.from Jupiter, but will send more pictures when it sweeps
:03:50. > :03:52.back next month. Movies now, and last
:03:53. > :03:55.night was the UK premiere Simon Pegg, Chris Pine,
:03:56. > :04:00.Idris Elba and the Enterprise crew The film sees the heroes encounter
:04:01. > :04:05.a new ruthless enemy I think there's a long
:04:06. > :04:11.legacy of really big movies, and the opportunity for me
:04:12. > :04:17.to do that was just like, why not? Actually, Benedict Cumberbatch
:04:18. > :04:20.is a villain in Into Darkness, he was so good, I was like,
:04:21. > :04:23.I want to get a Onto tennis, and the new Wimbledon
:04:24. > :04:28.mixed doubles champion Heather Watson says she's very
:04:29. > :04:31.happy she won! She's become the first British woman
:04:32. > :04:39.to win the title since 1987! I am very happy,
:04:40. > :04:43.the crowd was amazing. Playing with Henry,
:04:44. > :04:51.loved every second of it. That's all from me, Newsround's back
:04:52. > :04:57.right here in about half an hour.