A mother hopes for surgery for her baby boy whose head has swollen to twice its natural size.
Born a healthy baby boy, Mohammad Hasan's head started to dramatically swell when he was just 16 days old.
See also: Meet the baby who was born twice
See also: New IVF calculator can predict couple's chance of conceiving
Now 18-months-old Hasan's head measures an astonishing 69cm in circumference and is so big he is unable to support the weight of it. More on the story above.