Slideshow

Danube Tour Boat Search

01 / 07

Danube Tour Boat Search

Rescuers stand next to oxygen cylinders for divers as they prepare to recover a capsized boat under Margaret Bridge in Budapest, Hungary, Thursday, May 30, 2019. Rescue crews in Hungary's capital are preparing to raise a sightseeing boat from the bottom of the Danube River Thursday as search teams scoured the waters for 21 people missing after the vessel, packed with South Korean tourists, collided with a larger cruise ship and sank. Seven people are confirmed dead and seven were rescued, all of them South Koreans. (Zoltan Mathe/MTI via AP)

02 / 07

Danube Tour Boat Search

People line the banks of the Danube as they watch rescue crews at work after a vessel capsized in Budapest, Hungary, Thursday, May 30, 2019. Rescue crews in Hungary's capital were preparing to raise a sightseeing boat from the Danube river Thursday as search teams scoured the waters for 21 people missing after the vessel, packed with South Korean tourists, collided with a larger cruise ship and sank. (AP Photo/Marko Drobnjakovic)

03 / 07

Danube Tour Boat Search

People line the banks of the Danube as they watch rescue crews at work after a vessel capsized in Budapest, Hungary, Thursday, May 30, 2019. Rescue crews in Hungary's capital were preparing to raise a sightseeing boat from the Danube river Thursday as search teams scoured the waters for 21 people missing after the vessel, packed with South Korean tourists, collided with a larger cruise ship and sank. (AP Photo/Marko Drobnjakovic)

04 / 07

Danube Tour Boat Search

Memebers of the rescue crew sit on a flating barge on the Danube after a vessel capsized in Budapest, Hungary, Thursday, May 30, 2019. Rescue crews in Hungary's capital were preparing to raise a sightseeing boat from the Danube river Thursday as search teams scoured the waters for 21 people missing after the vessel, packed with South Korean tourists, collided with a larger cruise ship and sank. (AP Photo/Marko Drobnjakovic)

05 / 07

Danube Tour Boat Search

A vessel with a crane approaches the site of an accident on the Danube river after a boat capsized in Budapest, Hungary, Thursday, May 30, 2019. Rescue crews in Hungary's capital were preparing to raise a sightseeing boat from the Danube river Thursday as search teams scoured the waters for 21 people missing after the vessel, packed with South Korean tourists, collided with a larger cruise ship and sank. (AP Photo/Marko Drobnjakovic)

06 / 07

Danube Tour Boat Search

Rescatistas en barcos trabajan para recuperar un barco turístico que naufragó en Budapest, Hungría, el jueves 30 de mayo de 2019. (Zoltan Mathe/MTI vía AP)

07 / 07

Danube Tour Boat Search

In this Thursday, May 30, 2019, photo, an ambulance parks at a hotel where the survivors are staying in Budapest, Hungary. Survivors of a South Korean tour boat sinking in Budapest say they were lucky to grab onto a drifting lifeboat while looking in horror as others around them struggled in the dark, rainy waters, shouting for help. (Ha Chae-lim/Yonhap via AP)