Mexican authorities say the search will continue for seven U.S. men missing since a tourist fishing boat capsized and sank off Mexico's coast three days ago.
The Baja California state government says in a statement that officials have decided to extend the rescue efforts "with the same intensity and personnel," despite the Mexican navy's usual protocol to search for survivors for no more than 96 hours.
Rescuers coordinating with officials in the state of Sonora across the Gulf of California in case tides have swept them there.
Also Thursday, 16 of the 19 tourists that were rescued returned to the United States in their own vehicles.
Three brothers stayed behind to await news of a fourth missing brother.