Police have discovered a weapons cache during a search of the house where they arrested an Irishman suspected of shooting a man outside a Costa del Sol bar.
Detectives discovered hand grenades, detonators, ammunition and packages believed to contain explosives including dynamite, after a search of the house in Coin, southern Spain, and called in police bomb disposal experts.
Daniel Smith (24), was shot by a gunman on a motorbike on Saturday evening. The British citizen died at the scene after being shot in the head, chest and neck.
Spanish authorities yesterday said that the shooting was not believed to be linked to organised crime.
The suspect, aged 27, was arrested on Monday evening.
Police also confiscated passports and other identity documents during their search of the house as well as the motorbike believed to have been used in the shooting.