The Ukrainian frigate Hetman Sahaydachniy in the Gulf of Aden prevented a pirate attack on the civilian vessel Manjin Cild, the Ukrainian Ministry of Defence said in a statement on Tuesday. "With the Hetman Sahaydachniy frigate approaching the vessel Manjin Cild at a distance of 35 cables, a high-speed watercraft stopped the persecution of the above ship and disappeared," reads the report. According to the ministry, the civilian ship appealed for help to the Ukrainian Navy frigate…