There were no immediate reports of casualties in the attack, which tested a fragile ceasefire that ended fierce and deadly fighting in May.
Israeli fighter jets hit Hamas sites in Gaza in response to rockets fired at Israel on Friday night, an Israeli army spokesman said on social media early on Saturday.
There were no immediate reports of casualties in the attack.
Sirens are warning of the incoming rocket fire that blew near the Israeli border with the Gaza Strip late Friday, the Israeli army said.
The sirens sounded hours after police arrested two individuals from the Islamic Jihad group in Gaza who escaped from an Israeli prison with maximum security earlier this week.
Early Saturday, The Jerusalem Post reported that two more escaped prisoners had been captured. They were identified as Zakaria Zubeidi and Mahmoud al-Arida.
The recent increase in cross-border violence is testing a fragile ceasefire that ended a fierce battle in May.
More than 250 Palestinians, many of them civilians and children, and 13 Israelis were killed in the May attack on Gaza, during which Israel carried out relentless airstrikes over the coastal enclave, causing fighters in Gaza to fire rockets at Israeli cities. has.
Israel keeps Gaza under blockade and strictly restricts movement from the area where two million Palestinians live.
Egypt also maintains restrictions on the enclave. Both cite threats from Hamas for the restrictions.
The blockade restricted the movement of goods and people in and out of Gaza and devastated the area’s economy and harmed the population of two million people.