Samsung and Apple handsets
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Samsung and Apple battle rumbles on

9 August 2013 Last updated at 05:50 BST

The US International Trade Commission is set to decide whether to ban some Samsung phones and tablets from entering the American market.

It is the latest instalment in a long legal battle with Apple - Samsung's rival in the smartphone market.

Shares in Samsung have been falling this week in Seoul.

But as Mariko Oi reports from New York, a lot is at stake for both companies.