Florida rescuers stay hopeful about finding more survivors in rubble

Search and rescue personnel search for survivors through the rubble at the Champlain Towers South in Surfside, Florida (David Santiago/Miami Herald via AP)

Rescue workers digging feverishly for a fifth day have stressed that they could still find survivors in the rubble of a collapsed Florida condo building.

The death toll rose by just four people on Sunday, to a total of nine confirmed dead. But more than 150 people are still missing in Surfside.