Most residents had power restored by midnight but the situation remained unstable. President Gabriel Boric blamed power companies for not acting faster.

A large power outage struck most of Chile on Tuesday, resulting in a curfew until Wednesday morning for the areas hit by the blackout.

A sweeping power blackout left most of Chile in darkness for several hours. Tuesday’s blackout sent mobile services offline, paralyzed businesses and forced evacuations of buildings and subways in the South American nation.