Staff Reporter :Unidentified miscreants hurled several crude bombs in front of the residence of Gowhar Rizvi, Adviser to the Prime Minister on nternational Affairs, at Gulshan in the city on Wednesday evening.Source said some unknown persons hurled the bombs at about 7:30 pm and fled away with a speedy vehicle.Officer-in Charge of Gulshan Police Station Rafiqul Islam told The New Nation over telephone, “None was injured in the blasts. The bombs were exploded outside of the adviser’s residence. There was more than one explosion. We are trying to nab the culprits.”