:00:00. > :00:00.Hello and welcome to Newsround with me, Hayley.
:00:00. > :00:11.Hello and welcome to the new Formula 1 season fires up.
:00:12. > :00:25.And behind the scenes of Lindsay's Sport Relief challenge.
:00:26. > :00:27.First to Greece, where thousands of children are stranded
:00:28. > :00:33.Many have left their homes because of war, in the hope
:00:34. > :00:36.of reaching other European countries like Germany.
:00:37. > :00:39.European leaders have met to try to find a solution
:00:40. > :00:45.The BBC's James Reynolds sent us this update.
:00:46. > :00:48.At this camp in Greece, loads and loads of kids are stuck
:00:49. > :00:53.They don't want to be here, they want to keep going and cross
:00:54. > :00:56.into the rest of Europe, where the kids get into schools
:00:57. > :01:00.and the mums and dads get jobs, but the border is shut
:01:01. > :01:06.and so everybody is stuck here in this giant camp,
:01:07. > :01:09.which has been built next to this railway track.
:01:10. > :01:13.All families live in tents they have pitched by the side
:01:14. > :01:16.of the train track, they have to get out of them every time
:01:17. > :01:21.There are no schools here or lessons or
:01:22. > :01:25.classes, so a lot of the kids, like this one in red,
:01:26. > :01:29.spend their day running around finding things to do.
:01:30. > :01:32.Charities hand out free meals, so the kids and their parents get
:01:33. > :01:36.something to eat, but when it rains here, it gets incredibly muddy
:01:37. > :01:39.and uncomfortable, and for a lot of the
:01:40. > :01:42.time, people wait here to work out whether or not they will get
:01:43. > :01:45.across the border or whether they will be
:01:46. > :01:53.Now to some sporting news - the new Formula 1 season starts up
:01:54. > :01:55.this weekend in Melbourne, Australia.
:01:56. > :01:58.Britain's Lewis Hamilton is in pole position and looking to become four
:01:59. > :02:03.There's a new track, a totally new team, and some
:02:04. > :02:21.I'm excited and looking forward to it, the challenges I will face. We
:02:22. > :02:27.are all unknown. It will be difficult, tough challenge. Formula
:02:28. > :02:32.1 begins a new season with 21 races, a record number, the first Grand
:02:33. > :02:43.Prix in Azerbaijan. Three new drivers are set to make their
:02:44. > :02:49.debuts. They will be revving up their engines. There is a new
:02:50. > :02:54.Britain to join. He has been a Newsround, telling us all about it.
:02:55. > :03:01.Are very excited, it feels a long time coming. Although Mercedes may
:03:02. > :03:09.be the team to beat, one team smelling burning rubber will be
:03:10. > :03:18.hast, with two men in the driving seat of the new team. Ferrari's
:03:19. > :03:23.new-car has been passed, so we will see at the prancing horse can meet
:03:24. > :03:28.the might of the Mercedes engine. In the hope of making the sport more
:03:29. > :03:31.exciting, bosses have introduced new animation style system, which will
:03:32. > :03:37.see drivers knocked out every 90 seconds in the closing minutes of
:03:38. > :03:44.each session -- and elimination style. Who will win it? Lewis
:03:45. > :03:53.Hamilton will win the 2016 title. Lewis Hamilton will win. Lewis
:03:54. > :04:00.Hamilton. He is too good. It will be tougher for him, his main challenge
:04:01. > :04:04.will be Sebastian Vettel. He will win, he was on a roll in 2015.
:04:05. > :04:06.Everything we've seen so far suggests he really is getting on
:04:07. > :04:08.well. Blue Peter's Lindsey has taken
:04:09. > :04:10.on a challenge never attempted before - zorbing in a giant ball
:04:11. > :04:33.across the Irish Sea for Sport Lindsay, or wave runner, a star. I
:04:34. > :04:38.was proud but gutted at the same time. Tell me about the challenge.
:04:39. > :04:45.It was tough, it was a really long day. I started at five in the
:04:46. > :04:56.morning, and I was in the wave runner Deborah macro baying for just
:04:57. > :05:02.shy of ten hours -- zorb. We did 20 miles, but whether got in the way.
:05:03. > :05:07.Setting off was a really, really nice moment. We got there at 4am and
:05:08. > :05:12.people showed up. For me, that was moving. My final I was getting into
:05:13. > :05:18.the harbour, just to see my dad on the finish line and see all of the
:05:19. > :05:23.school there. What would you say to kids who watch what you have done
:05:24. > :05:27.and want to get involved? The point is to know you don't have to get in
:05:28. > :05:33.a ball and run across the Irish Sea, it can be something as small as
:05:34. > :05:34.going for a walk, a walk or a swim, and it does not matter what it is,
:05:35. > :05:37.just do something. Football, and Arsenal hope
:05:38. > :05:39.to boost their Premier League position when they play
:05:40. > :05:43.Everton at lunch. A win for Arsenal will take them
:05:44. > :05:46.eight points behind leaders Leicester, who are away
:05:47. > :05:48.at Crystal Palace. Tomorrow, both Manchester teams play
:05:49. > :05:51.in the derby at the Etihad, as City look to heap more
:05:52. > :05:53.misery on flagging United. That's all for now, get
:05:54. > :05:57.to the website for the day's best