Lawmakers endorsed the non-binding measure by a voice vote today. It condemns Hamas for unprovoked rocket attacks on Israel. The bipartisan resolution is sponsored by Democratic congressman Steve Israel and Republican congressman Tom Cole.
Israel has intensified its broad military offensive in the Gaza Strip to stop rocket fire from Palestinian militants targeting Israel.
The death toll from the 4-day-old conflict has exceeded 100, and President Barack Obama has told Israel the United States is willing to negotiate a cease-fire between Israel and Hamas.