SOFIA, Sha'ban 21, 1437, May 28, 2016, SPA -- A blast at Bulgaria's biggest weapons maker, Arsenal, in the centre of the Balkan country killed one person on Friday night, Reuters quoted the interior ministry as saying on Saturday. A ministry's spokeswoman told Reuters the accident that killed a 52-year-old man occurred at 2220 local time (1920 GMT) at Arsenal's production unit in the town of Muglizh, 250 km (155 miles) east of the capital Sofia. "There are no other injured people," she said. Bulgarian prosecutors have opened an investigation into the incident. --SPA 10:25 LOCAL TIME 07:25 GMT www.spa.gov.sa/w