article_snippet.sent: Rescuers launched a massive search along 20km of the Mekong river to try and find her, in one of the most isolated parts of Laos.
article_snippet.sent: Emergency services in Laos have now launched a massive search, covering 20km of the Mekong river, to try and find missing Ms Powell .
highlights_snippet.sent: Huge search launched over 20km of river to try and find missing woman .