The phrase "after he fled from" is correct and usable in written English.
It can be used to describe a situation where someone has escaped or run away from a place or circumstance.
Example: "After he fled from the scene of the crime, he was never seen again."
Alternatives: "after he escaped from" or "after he ran away from".
Officer Ramos caught him after he fled from an accomplice's car into a subway tunnel.
According to a criminal complaint, Heaggan-Brown and another officer chased Smith on foot after he fled from the car.
Even after he fled from Tripoli, the quest to capture him served as a glue holding together the loose confederation of local brigades that toppled his government.
Seventeen years after he fled from Spain, a Basque terror suspect has been arrested in Liverpool, where he was living under a false identity.
Nine years after he fled from Laos, Dalaseng was finally able to return to Bat Ngot Ngum, where he now runs a restaurant with his wife.
The town of Dharmshala has more recently emerged as a sacred site, particularly for Tibetan Buddhists; it was in Dharmshala that the Dalai Lama settled after he fled from Tibet in 1959 in the wake of China's occupation of Lhasa.
The song's music video, which was directed by Alan Ferguson, was released on October 1, 2008 and features Perry as a bride who is about to get married to her fiancé, who experiences a daydream in which she pursues him after he flees from the church.
After an accidental wounding, he fled from hospital to join the partisans and, when the war ended, he was able to enrol at the Milan Conservatoire.
He fled from Rome after killing a companion in a brawl.
He fled from California after that crime and was on the Federal Bureau of Investigation's most-wanted list.
The protests began after Smith, 23, shot dead when he fled from a traffic stop.
