Two bomb blasts have rocked a busy road in the Yemeni capital, Sana’a, injuring at least 20 people, the Interior Ministry said. The blasts took place on Thursday after explosive devices hidden among piles of garbage went off in Al-Rabat Street, Press TV reported. According to an Interior Ministry spokesman, no casualties were reported after the first bomb blast. But the second device exploded as people gathered in the area. Some 20 people were wounded in the second blast. The explosions damaged cars and shattered windows in the area. Security forces have cordoned off the area for further investigation.