From untimely deaths to cancer - Blue Peter's biggest tragedies
For many of us, Blue Peter was a staple part of our childhoods. On our screens since 1958, we've seen a plethora of different presenters on the show. In the early days, Christopher Trace and Leila Williams spoke to viewers and since, another 39 people have joined the adventure.The series has always been known for its fun and crazy capers, from extreme challenges to "here's one we made earlier".