CAIRO (AP) — The once outlawed Muslim Brotherhood says it will contest half of the seats in Egypt’s parliamentary elections in September, revealing plans to become a major force in the country’s post-revolution politics.

The elections will be the first since the ouster of President Hosni Mubarak by a popular uprising in February.

The Brotherhood remained Egypt‘s best organized opposition group despite a campaign by Mubarak’s regime to suppress it. It successfully fielded candidates in previous parliamentary elections as independents.

At a news conference Saturday, the Brotherhood named the leaders of its new Freedom and Justice party.

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