North Korea is mobilizing to deal with a disastrous flood that has killed more than 100 people, destroyed tens of thousands of homes and crippled infrastructure in its northern-most province.

Brigades of soldier from around the country have been enlisted to help victims of the flooding, which began Aug. 29 and was caused by Typhoon Lionrock.

According to a U.N. report issued by the Office for the Coordination of Humanitarian Affairs, the floods displaced tens of thousands of people and destroyed homes, buildings and critical infrastructure.