Floating crane deployed to hoist submerged boat in Budapest The floating crane Adam Clark is deployed on the Danube river in Budapest to hoist the submerged sightseeing boat that was involved in a deadly collision last week. The death toll from the May 29 accident rose to 19 on Thursday after four more bodies were identified from the Mermaid tourist boat which sank seconds after colliding with the Viking Sigyn on a busy stretch of the Danube river. IMAGES