Five artillery shells hit a high-security prison on the outskirts of Donetsk in eastern Ukraine last night, sparking a riot in which 106 inmates escaped, local officials say.
One prisoner was killed, five were injured and two guards were also hurt.
Ukrainian government artillery has been pounding areas on the outskirts of the city, held by pro-Russian separatists.
Ukraine's prison service says 34 of the escaped inmates have now been returned to the prison.
The authorities are trying
The prison service describes the situation now as "challenging but manageable". It says the prisoners have been moved to a shelter and are getting psychological help.
City council spokesman Maxim Rovensky said the fugitives included people jailed for murder, robbery and rape.