sentences:  That month, ERP representative Amílcar Santucho, brother of Roberto, was captured along with Jorge Fuentes Alarcón, a member of the Chilean Revolutionary Left Movement (MIR), trying to cross into Paraguay to promote the Revolutionary Coordinating Junta (JCR) unity effort with the MIR, the Uruguayan Tupamaros and the Bolivian National Liberation Army.During his interrogation, he provided information that helped the Argentine security agencies destroy the ERP.On 28 May, an eight-hour gun battle took place between 114 guerrillas and 14 soldiers in Manchalá, without casualties on either side.