Neighbours of Lyon blast suspect react with shock to allegations French police arrested four people Monday over a package bomb explosion in the heart of the southeastern city of Lyon last week which injured 13 people, authorities said. A police raid was under way in a building in the Oullins suburb just south of the city, a few hours after the arrest of the suspected bomber, a 24-year-old Algerian IT student. Meanwhile his neighbours have reacted with shock. IMAGES AND SOUNDBITES