Sudanese security forces shot and killed a teenager Monday during a crackdown on rallies against last year’s military coup, medics said. Sudan has been roiled by deepening unrest since an October military coup led by army chief Abdel Fattah al-Burhan which has triggered regular mass protests. “Babiker al-Rashid, 17, was killed in Omdurman after he was hit at a close range by a live bullet to the chest by coup authorities,” said the Central Committee of Sudan Doctors in a statement. His death brings to 89 the number of people killed in the crackdown on anti-coup protests to 89, the committee sa…