Some residents were frustrated that the country's fractured authorities were not acting faster to help.
Many people in surrounding villages say they are surviving off donations from local charities and have received little or no help from the central state authorities.
More than 1,000 bodies have already been recovered in Derna alone and officials expected the death toll would be much higher.
Interior Minister Ali Yerlikaya said search and rescue operations were continuing and pledged financial support to families in flood-affected areas.
Video obtained by Reuters showed houses in Mucum submerged by rising water, while streets and rivers were also flooded.
Philip and Elaine Marco got stuck under a bridge in Liverpool after it got flooded, an issue that is common in this area.
Experts say that the main cause of the flood is a lack of stable and long-lasting policies to prevent the situation.
One person died in Mexico amid reports of flash flooding in the peninsula, where some roads were swept away.
There were 19 people at the gymnasium when the accident occured. Four people escaped and 15 were trapped, the municipal search and rescue headquarters said, according to state media said.
It was estimated that at least 225 people lived in the hamlet, the state's deputy chief minister, Devendra Fadnavis, told the state assembly.