Hundreds of Hamas gunmen surrounded a Fatah base in northern Gaza near the Jabalya refugee camp and launched an attack, Palestinian security sources said.

CNN: Palestinian fighting 'will burn all of us,' official says

Meanwhile, Israel continued its military operation against militant targets in Gaza on Sunday, striking the Gaza City house of a senior member of Fatah's al-Aqsa Martyrs Brigades, Palestinian security sources said.

CNN: Israeli, Palestinian leaders hold talks on Gaza

On Friday, the IDF carried out two airstrikes on an old Interior Ministry building in Gaza City, killing one Palestinian woman and injuring 14 people, Palestinian security sources and doctors said.

CNN: Israeli airstrikes kill 2 militants in Gaza