Explosion heard in north of Saudi capital Riyadh, residents tell AFP

Explosion heard in north of Saudi capital Riyadh, residents tell AFP An explosion was heard in the Saudi capital Riyadh, residents told AFP on Tuesday, with the blast echoing in the northern parts of the city. The incident comes after several blasts rattled the capital on Monday, as fighting between Saudi-backed forces and Yemen's Houthis intensifies. Reporting by AFP