Show 4 QUESTIONED ON ARMS CARGO LAREDO Texas May 15 UP WI- WI A mysterious shipment of ot munitions munitions muni muni- consigned for entry into MexIco Mexico Mex Mex- ico Ito was held up here today while authorities questioned four Cubans Mexican officials announced no permit had been granted for Importation importation importation im Im- im- im of the arms and an investigation in- in Investigation In In- n was launched to determine determine determine deter deter- mine the source and destination of the war materials materia The Cubans were vere questioned by authorities of Nuevo Laredo MexIco Mexico Mex Mex- exico ex- ex ico after the shipment of five carloads carloads carloads car car- loads was stopped here At Washington state department officials said they had not been officially informed of ot the shipment Secretary Hull said virtually all aU dealers in arms ammunition and implements implement of ot war had registered under the neutrality act He added that activities of a few dealers were under investigation A statement from District Attorney Attorney ney John A A. Vails Valls of ot Laredo quoting quoting quoting ing a a. munitions concern representative tive as saying the arms were Intended Intended In- In in intended tended for tor General Saturnino Saturnine Cedillo Cedillo Ce- Ce dillo Mexican secretary of ot agriculture ture brought a flat denial from Cedillo The four under arrest said they were members of ot an organization In Cuba known as Frente Unico de Revolutionaries Cubanos Two were arrested here and two in Nuevo Laredo Another was WM sought ought |