Mexico on alert as Popocatepetl volcano blows steam
15 May 2013 Last updated at 03:31 BST
Mexican authorities are preparing for possible evacuations after a volcano near Mexico City begin blowing steam on Tuesday.
Hundreds of soldiers have been sent to the area in case the Popocatepetl volcano does erupt. The evacuation of up to 11,000 local residents is needed.
The volcano has been quiet in the past few years, with the last major eruption in 2000.