Hurricane Matthew, the strongest storm to hit the Caribbean in a decade, swept through Haiti this week, downing power lines, flattening buildings and killing hundreds. Aid groups are finally beginning to reach parts of the impoverished country that were cut off as communications failed and bridges collapsed.

The damage is extensive. The Washington Post's Mexico bureau chief, Joshua Partlow, is traveling through parts of the country:

More on Hurricane Matthew:

Hurricane Matthew battering Florida’s northeast coast as governor warns: ‘This is not over’

Live updates on Hurricane Matthew