YEREVAN.- The investigation into a balloon blast during the Republican Party of Armenia’s campaign rally was extended, Haykakan Zhamanak daily writes.

“Police press service told the correspondent of the newspaper about the decision. The blast of balloons filled with an unidentified gas injured 150 people. All the injured have been discharged from hospital,” the newspaper says.

As Armenian News-NEWS.am informed earlier, a tragedy occurred during the Republican Party of Armenia’s rally and concert held at Yerevan’s Republic Square on May 4. Hundreds of balloons filled with gas exploded and started to burn. Subsequently, the balloons’ melted rubber fell on the event participants. Those near the stage were affected the most, and 154 people were injured