Proxy war? Israel targets Iran-backed Islamic Jihad

The tit-for-tat rocket fire followed two raids: one in Gaza, the other in Damascus, both targeting senior leaders of Islamic Jihad. Was it continued rocket attacks from the Gaza Strip that had Israel at the ready to strike the Iran-backed Palestinian militant group, or was this a calling card to Tehran? Islamic Jihad often works in tandem with Hamas, but has its own agenda.