Earlier in the day, the Health Ministry said that the death toll had reached 60.
"The number of victims of the massacre in the Al-Maghazi camp has now increased to 70," Al-Qudra was quoted as saying by the ministry on Telegram.
Previously, Al Jazeera broadcaster reported that over 40 people were killed as a result of the shelling, adding that the Israeli raids on houses in the refugee camp has left many other people injured.
On October 7, Hamas launched a large-scale rocket attack against Israel from the Gaza Strip, while its fighters breached the border, opening fire on the military and civilians. As a result, over 1,200 people in Israel were killed and some 240 others abducted.
Israel launched retaliatory strikes, ordered a complete blockade of Gaza and launched a ground incursion into the Palestinian enclave with the declared goal of eliminating Hamas fighters and rescuing the hostages. Over 20,400 people have been killed so far in Gaza as a result of Israeli strikes, local authorities said.
On November 24, Qatar mediated a deal between Israel and Hamas on a temporary truce and the exchange of some of the prisoners and hostages, as well as the delivery of humanitarian aid into the Gaza Strip. The ceasefire was extended several times and expired on December 1.