Caroline Flack's friends including Olly Murs, Bradley Simmonds raise £30,000 in late star's honour

Caroline Flack's pals Olly Murs and Bradley Simmonds complete charity trek as a tribute to presenter

Caroline Flack's pals Olly Murs and Bradley Simmonds complete the first day of charity trek

Caroline Flack's pal Bradley Simmonds details regret at not being 'there for her' before her death