The Volcán Pacaya south of Guatemala City erupted last night. GUA airport is closed because of ash and debris, as is the U.S. Embassy. People are being asked to remain in their homes.
From the U.S. Embassy website:
The U.S. Embassy in Guatemala City alerts U.S. citizens traveling to and residing in Guatemala that a volcanic eruption of Pacaya Volcano, 20 miles from Guatemala City, occurred in the evening hours of May 27. Volcanic ash continues to fall, covering much of the surrounding area including, in Guatemala City. La Aurora International airport has ceased all operations due to falling and debris on the runway. International flights are being diverted to San Salvador and domestic flights to Santa Elena Peten. ConRed has issued a code red alert for all residents of the Departments of Guatemala and Esquintla and residents are advised to remain in their homes. Affected travelers are being advised to monitor the news on television or radio for the latest information and updates. The U.S. Embassy in Guatemala will be closed on Friday, May 28 due to the eruption.
http://guatemala.usembassy.gov/