Previously, MSC claimed responsibility for the March 21, 2013 attack in which Gaza-based militants fired at least five rockets at Sderot, Israel, and the April 17, 2013 attack in which two rockets were fired at Eilat, Israel. In addition to the rocket launches, MSC declared itself responsible for a Gaza-Israel cross-border IED attack on June 18, 2012 that targeted an Israeli construction site, killing one civilian. In addition to these physical attacks, the MSC released a statement in February 2014 declaring support for the Islamic State of Iraq and the Levant.