NEW : ` ` We need a game change , '' says District of Columbia mayor . Number of customers without power falls to 1.2 million . Storm damage in Washington , D.C. Ken Mallette , executive director of the Maryland Emergency Management Agency , compared the damage to that seen after Hurricane Irene last year . Death ##s from heat - wave storms rises to 20 . Washington sets up new distribution centers .
NEW : ` ` We need a game change , '' says District of Columbia mayor . Number of customers without power falls to 1.2 million . Death ##s from heat - wave storms rises to 20 . Washington sets up new distribution centers .