A security official says Egyptian troops have arrested two armed Palestinians from the Hamas group who entered the country illegally from the Gaza Strip.The official says the men had crossed from Gaza into Egypt's Sinai Peninsula using smuggling tunnels.RELATED:Egypt deploys troops along Gaza borderEgypt: Thousand of inmates clash with guards, escape jailsHe says they were arrested on Monday in a stolen car in the town of el-Arish, near the border, along with three Egyptian smugglers. The official says they had weapons, hand grenades, two RPGs and about 50,000 Egyptian pounds ($8,600) in cash.The official says an investigation is under way. He spoke on condition of anonymity because he is not authorized to talk to the media. Egypt on Sunday closed its border with Gaza amid the turmoil gripping the country.