<p>Jurors in the murder trial of transgender teenager Brianna Ghey have been shown footage of the 16-year-old boarding a bus to Culcheth Linear Park, near Warrington, on the day she stabbed.<br><br>Brianna, 16, from Birchwood, Warrington, had been stabbed 28 times with a hunting knife in Culcheth Linear Park, near Warrington, on February 11 earlier this year.</p><br /><p>A girl and a boy, both now aged 16, identified only as X and Y, are on trial for murder at Manchester Crown Court.</p>
