The gunmen burst into the Egyptian security forces in the Sinai Peninsula base at dawn Monday and exchanged fire with the base troops in retreat, security sources said.
Aluminum Ahrash area of automatic weapons fired from a truck in North Sinai gunmen attacked the base, but the attack did not cause any casualties.
The identity of the attackers is not clear, but security sources said they may be Islamic militants.
Hard-line Islamic groups in the North Sinai emboldened in 2011 to overthrow former President Hosni Mubarak. They use the authority of the State collapse, and then attack targets in North Sinai and the Israeli border.
On Thursday demanded the release of imprisoned Islamic militants, gunmen seized seven members of the security forces.
This kidnapping incident has aroused national attention lawlessness strategic peninsula and is irritated by the security forces in the region, they have blocked the border crossings into Israel and the Gaza Strip to pressure the government to help their colleagues free.
On Sunday in a video posted online, blindfolded men with their hands tied over their heads, he said, hostage, President Mohammed Mursi begging the Sinai in exchange for the release of political prisoners.
Video, this is the first time since their kidnapping signs can not be independently verified. National newspaper "Al-Ahram", security services, and to find the truth of it.
Mursi said on Sunday that "all options are open to the release of the hostages. "We will not succumb to any blackmail," he wrote on Twitter shortly after the video released to the web.
Omar Amir, presidential spokesman, told Egyptian state television that the talks with the kidnappers did not take, it will be unacceptable negotiations with criminals.
The army forces units transferred to North Sinai "information services in a country to participate in a large-scale military operations, release of the abducted soldiers, if negotiations fail to prepare," the government said on Sunday the English instructions.
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