sentences:  The submarine then torpedoed and sank the Italian merchantman "Tagliamento" three days later, south of the island of Pianosa, Italy; according to "Saracen"s logbook, "A sheet of orange flame went up hundreds of feet into the air and burning debris hurtled in all directions.As "Saracen" was diving the bridge of the merchant vessel flew overhead".The boat ended her patrol in Algiers on 27 April.