State Department spokeswoman Marie Harf Tuesday condemned Hamas’ breach of the ceasefire by firing rockets and blamed the Islamist terror group for the breakdown of Cairo talks for a long-term truce. "We are very concerned about today's development, condemn the renewed rocket fire and as we have said Israel has the right to defend itself against such attacks," Harf told reporters. "We call for an immediate end of rocket fire hostilities and the return to ceasefire talks," she added. “It is our understanding that the ceasefire has broken down.