Show 1 CAUSED EXPLOSION such Is I 1 the opinion of grand jurors who are investigating the los angeles times disaster los angeles cal the first stage st the grand jury investigation of the times establishment of the falt fact to the satisfaction of the anquist tors tore that it wa wis w is a dynamite amite explosion which wrecked the newspaper new nea paler plant was completed friday the next move will be to naine name the responsible for the crime and to do his the grand jury will hao hae to wait for san Franci beg witnesses so far no summon sis have liae been served upon any tiny of the members of the ommittee named by the recent con on bention of the building trades to in vesti gate the causes of the disaster di Baster al at though of the committeemen laid said they were ready really to appear both before the grand jury and at the cor drier a finquist I 1 ahls his statement was made after the tile labor committee report bad had aten made public |