A small group of supporters of former president Hosni Mubarak gathered outside his prison on the outskirts of Cairo to celebrate his release.
An army helicopter transported him to a military hospital in the nearby suburb of Maadi, Reuters reports.
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Police investigating the disappearance of a British toddler in Germany more than 35 years ago have released an image of a suspect.
Lord Stevens said drones should be prohibited near sensitive sites like airports.
The strike action was due to begin on Wednesday.