Leukaemia

Leland from Gateshead is undergoing treatment for pre-leukaemia and will miss spending his seventh birthday with his loved ones because of his condition.

Two street artists took just four and a half hours to paint an 8ft mural near Tower Bridge featuring the face of six-year-old Sienna Halls from Ruislip.

She's now raising awareness of the type of blood cancer which claims over 2,600 lives each year in the UK.