UK pushing for more trade with Asia

UK Prime Minister David Cameron is in Vietnam - about to start the third day of a tour of south east Asia.

With him on the trip are 31 bosses of British industry - all trying to encourage Asia to trade more with the UK.

So why has Britain fallen so far behind countries like the US and China in this market? Asia Business correspondent Karishma Vaswani explains.

Watch more reports on Asia Business Report's website