Police chief commissioner Anton Zlatanov said bomb had been thrown from the Levski fans'section at a door, also injuring another police officer.
2018 SeasonAll times ET
Former Bulgaria defender Trifon Ivanov has died at the age of 50, the country's football association has announced.
Inter Milan, Monaco, Roma among 10 clubs who signed "settlement agreements" with UEFA over FFP breaches.
CSKA Sofia coach says he has medical evidence to show he was knocked out by snowball attack in Eternal derby.