HARI SREENIVASAN:

Good evening and thanks for joining us.

As more troops and materials arrive in Puerto Rico, relief workers are struggling to distribute desperately-needed supplies.

The U.S. territory that three and a half million American citizens call home is still trying to get back to basics, 11 days after Hurricane Maria made landfall.

According to the federal emergency management agency, FEMA, Telecommunications are available to a third of the island. 45 percent of residents now have drinkable running water. 60 percent of gas stations are open and providing fuel. 11 major highways are cleared of debris and open. Power has been restored to 59 hospitals