The suspected military cargo, as tweeted by the Panamanian president
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North Korean ship with 'military cargo' held by Panama

16 July 2013 Last updated at 17:34 BST

Panama's president says his country has seized a North Korean-flagged ship carrying "undeclared military cargo".

President Ricardo Martinelli said the ship, held in the Panama Canal as it sailed from Cuba, contained suspected "sophisticated missile equipment".

He posted a photo of what looked like a large green object inside a cargo container on his Twitter account.

The president said the 35-strong crew had resisted the search and the captain had tried to kill himself.

Emily Buchanan reports.