<p>Police officers mourned after an explosion outside a police station in the San Jose neighborhood of Barranquilla, Colombia, on January 27 killed at least five police officers and wounded at least 42 people.</p><p>Police commander Brigadier General Mariano Botero said</a> he believed the incident was a result of gang retaliation.</p><p>One person has been arrested in connection with the bombing, Botero said. Credit: BG. Mariano Botero C via Storyful</p><br />
