Albay Governor Joey Salceda is banning all human activity within the six-kilometer permanent danger zone of Mayon Volcano after 4 climbers were killed during an ash explosion.<br /><br />Salceda said the banned activities include climbing, farming, orchid gathering and ATV tour guides.<br /><br />He said there was no warning of the steam explosion Tuesday morning but noted that a hard rain had affected the area on Monday.<br /><br />Volcano tour guide Kenneth Jesalva, who went up the volcano with seven others on Monday, later said four people including 3 foreigners died after being crushed by large rocks brought about by the explosion.<br /><br />ANC, May 7, 2013
