Discoveries come day after report said Gaza terror factions would stop launching incendiary balloons toward Israeli communities

Report comes a day after Egyptian security delegation visited Strip, where it reportedly conveyed an Israeli threat of military action to Hamas

PM said to warn of 'major blow' if calm doesn't return; Hamas issues a threat of its own, as leader Yahya Sinwar reportedly avoids meeting for fear of Israeli assassination

Zarif previously spoke with PA president Abbas; reportedly called the newly unveiled American initiative to resolve the Israeli-Palestinian conflict 'inhumane'

Haniyeh praises Iranian general's 'role in supporting the resistance and backing the Palestinian people's rights'; Abbas's spokesman declines to comment

Protesters in Strip take to streets bearing images of slain Iranian general as his funeral takes place in Baghdad

November elimination of Baha Abu al-Ata, a top commander in the terror group, sparked heavy exchange of fire

Ziad al-Nakhala makes remark after Izz ad-Din al-Qassam Brigades, Hamas's military wing, sat out latest escalation between terror groups in Gaza and Israel

Defense minister issues warning after rocket attack leads to overnight wave of IDF strikes on Hamas targets in Gaza; terror group says strikes won't change balance of power

Netanyahu warns Palestinian terror groups they're making a 'serious mistake' with attack; anti-aircraft fire from Gaza triggers sirens in Ashkelon