Originally published by the Voice of America (www.voanews.com). Voice of America is funded by the US Federal Government and content it exclusively produces is in the public domain. July 19, 2007 Terrorism Ruled Out in Steam Pipe Explosion ------------------------------------------- http://enews.voanews.com/t?ctl=183226F:A6F02AD83191E160F93B1FFAEBFE85C39574F7DCC14957C0 Mayor Michael Bloomberg says blast late Wednesday near Grand Central train terminal was likely caused by cold water seeping into steam pipe New York City Mayor Michael Bloomberg says a steam pipe explosion in midtown Manhattan was caused by a failure of infrastructure - and not terrorism. The blast near the Grand Central train terminal Wednesday sent a large column of steam and debris shooting into the air during the afternoon rush hour. The explosion initially caused fears of a terrorist attack, and panicked workers fled the area.  One person died of a heart attack.  Some 30 other people were injured, some seriously.   Emergency personnel look over a truck that lies in a hole in the street after a steam pipe explosion in midtown Manhattan, 18 July 2007 The mayor said the explosion at the 83-year-old steam pipe may have been caused by cold rain water seeping into the pipe. Tests of debris show the presence of asbestos, a cancer-causing material.  City health officials say so far no air samples have tested positive. Health officials have urged those who were in the area to isolate their clothing.  Residents and businesses are also advised to keep their windows closed. Some information for this report was provided by AFP, AP and Reuters. .