GAZA CITY (AFP) - Hamas fighters on Monday said they would resume a truce with Israel after days of cross-border duels if Israel halts its attacks on the Gaza Strip. The group's armed wing, the Ezzedine al-Qassam Brigades, which lobbed about 50 mortar rounds into Israel on Saturday, made the offer in a statement released after Israeli aircraft raided the enclave again on Monday evening. It said Saturday's barrage had been in response to an Israeli strike last week which killed two of its members, but that it was ready to call an end to the tit-for-tat violence if Israel did the same. "If the enemy stops the escalation and aggression against our people we will implement the Palestinian national agreement," the statement said, referring to a truce reaffirmed by the main fighters factions in January. A short time earlier, Israeli warplanes raided the territory, slightly wounding one man, local witnesses and medical officials said. Witnesses said the target of the raid was a car repair workshop east of Gaza City, owned by the powerful Doghmush clan which has links to fighting groups. The Israeli military, however, said its aircraft hit what a spokeswoman described as "a terrorist tunnel" intended to launch attacks under the Gaza border fence into Israel. Also on Monday, Israeli Deputy Foreign Minister Danny Ayalon issued a death threat against Hamas leaders. "If Hamas decides to escalate, we will put an end to it... We have several actions before putting ground forces in Gaza, including direct threats against Hamas leaders," Ayalon told public radio. A rocket fired from Gaza overnight Sunday exploded in southern Israel, causing neither casualties nor damage, several hours after another rocket exploded harmlessly in the town of Ashkelon. After Saturday's mortar fire Israel pounded Gaza, wounding at least five Palestinians and cutting power supplies. The mortar attacks, the fiercest since Israel carried out a 22-day offensive codenamed "Operation Cast Lead" against Gaza rocket fire in December 2008 and January 2009, wounded two Israelis and caused minor damage. On Saturday Israeli opposition leader Tzipi Livni called for just that in response to the mortar barrage.