Strikes from the air, tanks and artillery shook Sudan's capital of Khartoum on Friday and the adjacent city of Bahri came under heavy bombardment, witnesses said, even though the army and a rival paramilitary force agreed to extend a truce by 72-hours. For the latest on medical aid in Sudan, VOA's Esther Githui-Ewart spoke to Dr. Abdullah Adam, director of strategic planning at Sudanese American Physicians Association.