gary neurenberg is there with what are now smoke smokey remains. >> reporter: it was at noon today and the old wood burned fire. when firefighters arrived just before 4 it was raging. irreplaceable windows shattered. roof collapsed. adjacent building at risk. >> it was starting to catch fire from the raident heat in the chapel. >> reporter: the historic chapel was lost. >> generations of episcopal priests have worshiped daily in that space today. it has been a place of order ordinations. gerald ford sat through pews from the back the day after watergate. it is a blaze alums love and cherish. >> reporter: burned beams, free standing brick walls all that remain. >> we have some free standing brick walls nay are held together by some burned out beams and columns. >> reporter: it will have to be reinforced before investigators shift through the rubble. likely to start tomorrow, the bureau of alcohol, tobacco and firearms is sending its team of arson experts and chemists from all over the country to help arson investigators in alexandria to try to determine the cause. the fire has been clea