Three people were killed and a fourth injured when a nitrogen tube exploded at Khartoum air base Tuesday, the Sudanese armed forces said.
A general command statement carried by SUNA news agency said, "A regrettable incident took place this morning at Khartoum Air Base during preparation of a plane when a nitrogen gas tube exploded, causing the martyrdom of three persons and the injury of a fourth". (Albawaba.com)
