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Room-sized rocks spew from Filipino volcano, killing 5 climbers

Rhaydz Barcia / Reuters

Ash rises after an eruption of the Mayon volcano in in Albay province in central Philippines on May 7, 2013.

Nelson Salting / AP

Police and rescuers carry Nicas Mabao Jr. to a waiting ambulance after he survived a steam-driven explosion of Mayon volcano on May 7, 2013.

Manila, Philippines — One of the Philippines' most active volcanoes rumbled to life Tuesday, spewing room-sized rocks toward nearly 30 surprised climbers, killing five and injuring others that had to be fetched with rescue helicopters and rope.

The climbers and their Filipino guides had spent the night camping in two groups before setting out at daybreak for the crater of Mayon volcano when the sudden explosion of rocks, ash and plumes of smokes jolted the picturesque mountain, guide Kenneth Jesalva told ABS-CBN TV network by cellphone. Read the full story.

Alex Sallan / EPA

Filipino survivor Nicas Mabao, left, is reunited with his mother, center, as a rescuer assists, on May 7, 2013.

Kit Recebido / EPA

Filipino mountaineers Bernard Hernandez, left, and Calixto Balunzo, right, receive medical attention from nurses at a hospital in Legazpi City on May 7, 2013. Hernandez and Balunzo were with a group of climbers when the Mayon volcano spewed ash.

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Filipino tour guide Keneth Gesalva rests inside a car in Legazpi on May 7, 2013 after he was rescued from the mountain.

Redemptoristine Monastery of Legaspi City via EPA

Mayon volcano spews ash during a phreatic explosion as seen from Legazpi city on May 7, 2013.