The deadliest flash floods in Spain’s modern history have killed at least 214 people and dozens were still unaccounted for, four days after torrential rains swept the eastern region of Valencia, Prime Minister Pedro Sanchez said, Report informs via Reuters.

In a televised statement, Sanchez said the government was sending 5,000 more army troops to help with the searches and clean-up in addition to 2,500 soldiers already deployed.

“It is the biggest operation by the Armed Forces in Spain in peacetime,” Sanchez said. “The government is going to mobilize all the resources necessary as long as they are needed.”

Valencian regional authorities said on Saturday night the total number of fatalities in the region was 211, plus two from Castilla La Mancha and one in Andalusia.