Sofia derby bomb injures policewoman as more than 20 people arrested

A policewoman has undergone surgery on an eye injury after being injured in an explosion during a derby between Bulgarian rivals Levski Sofia and CSKA.

Police said more than 20 fans were arrested at the Vasil Levski stadium during Levski's match against their city rivals on Wednesday.

Reuters reported police chief commissioner Anton Zlatanov as saying a bomb had been thrown from the Levski fans' section, also injuring another police officer.

Zlatanov said the officer who had needed treatment was...