Myleene Klass and Gethin Jones are hosting a mass protest rally today to demand the G8 act on the issue of world hunger.
The event will include appearances from a number of campaign supporters including Grammy Award winning singer Angelique Kidjo, and specially recorded messages from David Beckham.
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Warm with some wet weather
Melissa Mead has been campaigning to raise awareness of sepsis after losing her one-year-old son William to the illness.
Last year, spring was colder than winter, with snow at the end of April for the first time since the mid 1980s.