London, February 06, SPA -- British Prime Minister Gordon Brown and Secretary of State for Foreign and Commonwealth Affairs David Miliband are to meet US Secretary of State Condoleezza Rice in London as both countries call on Nato members to step up their commitment in Afghanistan, SKY NEWS reported. The meetings are strategy sessions designed to put together a joint case ahead of a Nato heads of government summit in the spring.--SPA www.spa.gov.sa/524569