Hisham Genena was sacked by president Abdel Fattah El Sisi in 2016 and was an aide to barred presidential candidate Sami Anan
Former Egyptian anti-corruption chief injured in attack
Assailants on Saturday stabbed and seriously wounded Egypt's former anti-corruption chief who was also a top aide to a barred candidate for the March presidential election, his lawyer said.
Ali Taha said that Hisham Genena was attacked by three men who "stabbed him in the face and beat him, breaking [one of] his legs", near his Cairo home. He was admitted to hospital.
Mr Genena was sacked by president Abdel Fattah El Sisi as head of the Central Auditing Authority in 2016 after he was accused of exaggerating the cost of corruption.
On Saturday he was on his way to a court hearing to contest his dismissal.
Zyad El Alaimy, a lawyer who accompanied Mr Genena to a police station after the attack, said two cars arrived suddenly and men got out "and tried to kidnap him".
A security source, speaking on condition of anonymity, confirmed Mr Genena had been wounded but said it happened during "a dispute with three young men following a car accident".
Another security source said a piece of "metal" and a "knife" were used during the altercation.
Pictures posted online show Mr Genena looking weak, his left eye slashed and his left leg bloody.
Mr Taha said he had been barred from seeing his client in hospital.
Mr Genena was top campaign aide to Sami Anan, a former armed forces chief of staff who this month announced he intended to stand against Mr El Sisi in the presidential election.
Mr Anan's challenge was swiftly crushed when the army accused him on Tuesday of forgery and other crimes linked to his registration as a candidate.
Mr El Sisi looks set to sweep to a second term after most of his serious challengers either ruled themselves out or were sentenced to jail terms.