In pictures: Maria aftermath on Puerto Rico

Flooded streets are seen in San Juan, Puerto Rico, after Hurricane Maria.Getty Images

Puerto Rico braced for life-threatening flash flooding on Thursday after Hurricane Maria unleashed torrential rains and knocked out power across the island

A car is viewed stuck in a flooded street in the San Juan neighbourhood of Santurce.Getty Images

The island was expected to receive up to 30 inches (76cm) of rain by Saturday

A man reacts as he walks through a debris-covered road in Fajardo, Puerto Rico.Getty Images

The full extent of damage is unknown as dozens of communities remain without power, authorities say

Men survey the damage caused by Hurricane Maria in San Juan, Puerto Rico.Getty Images

Maria is the second devastating storm to lash the Caribbean this month

Views of the damage caused by Hurricane Maria in San Juan, Puerto Rico.Getty Images

The powerful storm caused at least one death in Puerto Rico

Damage caused by Hurricane Maria after it passed through San Juan, Puerto Rico.Getty Images

Puerto Rico Governor Ricardo Rossello has described Maria as "the most devastating storm in a century"

Workers clear damaged trees after Hurricane Maria in San Juan, Puerto Rico.Reuters

Recovery efforts are under way as crews work to remove downed trees and scattered rubble

Views of the destruction caused by Hurricane Maria in Roseau, Dominica.Getty Images

Dominica is still reeling after Maria ripped through the Caribbean island a day earlier, killing at least seven people

Debris on a flooded seafront after Hurricane Maria in Basse-Terre, Guadeloupe.Reuters

Maria caused flooding and left two people dead in the French territory of Guadeloupe

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