The Israeli Defence Forces (IDF) has tweeted that air-raids sirens were sounding across the country's south.
Earlier in the day, the IDF released a video of what it called was a rocket barrage fired by Hamas.
READ MORE: Israel Delivered Largest Strike on Hamas Targets in Gaza in 4 Years — Netanyahu
On Monday, the IDF announced that they had begun to attack Hamas positions after a Palestinian rocket from the enclave injured seven people north of Tel Aviv. Prior to the move, the IDF sent two military brigades and a command centre to the Gaza border.