BBC Sport - World Indoor Athletics: GB men and women reach 4x400m relay finals

Ohuruogu sisters lead GB into final

Great Britain's Christine Ohuruogu and younger sister Victoria help the women's 4x400m relay team reach Sunday's final at the World Athletics Indoor Championships in Poland.

Victoria, 21, was third to run and passed the baton to her older sister, who comfortably finished ahead of Russia and Italy in the final leg.

The British men's team also eased to victory in their 4x400m heat, finishing ahead of Russia and Nigeria.

Available to UK users only.