US President Barack Obama condemned the attacks as well as a recent Palestinian terrorist bombing in Jerusalem " in the strongest possible terms " , saying that " there is never any possible justification for terrorism " . Israel responded to the attacks with airstrikes on terrorist training sites , weapons-smuggling tunnels under the Gaza-Egypt border , and an abandoned rocket launcher . No injuries were reported in the airstrikes
a recent Palestinian terrorist bombing in Jerusalem
2011 Jerusalem bus stop bombing
List of Palestinian rocket attacks on Israel in 2011