Cionura erecta (L.) Griseb., belongs to the Apocynaceae family, is one of the poison plants in Turkey, widely grownin the Mediterranean region, and known as Babrik in Turkey. In south east Anatolia, the vernacular name of the plant is Halavaand Kulf. In the Mello village of Haliliye, district of Şanlıurfa, plant poisoning in sheep has been reported. This plant poisoned120 sheep in the herd of 300 sheep in Mello village of Haliliye district of Şanlıurfa. In 50 seriously ill sheep,coordinationdisorder-weakness-difficulty in breathing, and coma were observed. A self-employed veterinarian responded to toxicationfirst by giving electrolyte supplementation and medicated (antihistamine) serum; 37 of these animals died.Then, veterinariansaffiliated with the provincial and district agriculture directorate intervened and the remains were saved. Necropsy was alsoperformed on deceased animals. Babrik was observed in the gastrointestinal contents with intense deformation in the rumenand intestinal mucosa. Phytochemical studies were also compiled to predict plant toxicity in this case report.