Israel closed off Gaza's fishing zone completely on Monday after a third night of rocket attacks from the enclave.
Militants launched five rockets from Gaza into southern Israel on Sunday night, the military said, following two nights of rocket fire that intelligence officials have linked to violence in Jerusalem.
Four people from Sderot were injured after running for shelter, including a pregnant woman, Barzilai Medical Center in Ashkelon said on Monday.
COGAT (the Coordinator of Government Activities in the Territories) said Gaza's fishing zone would be closed until further notice, reiterating that Hamas is responsible for any violence coming out of the Strip.
The first two rockets were fired toward Israel from Gaza on Sunday evening, with three more fired overnight, according to the IDF. The Iron Dome air defense system intercepted two of them.
The army is yet to respond to the rockets fired on Saturday and Sunday. On Friday, it struck Hamas' underground infrastructure and rocket launchers in Gaza following a barrage of 36 rockets.
Sources in Gaza also reported shelling at a Hamas position east of the Bureij refugee camp in central Gaza.
- Gaza flare-up: What happens next depends on events in Jerusalem
- Jerusalem is on the brink of an explosion – and Israel has no leaders to prevent it
- Israeli army chief nixes Iran nuke talks in U.S. due to Gaza flare-up
Israel Defense Forces Chief of Staff Aviv Kochavi postponed his trip to the United States on Sunday due to the flare-up. Following an emergency security meeting on Saturday over riots in Jerusalem and the subsequent Gaza escalation, senior Israeli security officials said that if tensions in Jerusalem persist, Israel is likely to witness a escalation of violence across the country, and that the unrest could spread beyond its borders.
The Fatah-linked Nidal al-Amoudi Division of the al-Aqsa Martyrs Brigades and Abu Ali Mustapha Brigades, the armed wing of Popular Front for the Liberation of Palestine, claimed responsibility for the rockets fired on Friday, and both said that their operations were carried out in response to recent events in Jerusalem.
It is unlikely that the groups would've fired rockets without Hamas' consent, sources in Gaza said.