The Ikfvdku Dynasty - Verse 125-126

How was the king Sagara (Sa-gara) born with poison (inside)? Why did the infuriated unerring king repudiate the traditional holy rites of those powerful Ksatriyas such as the Sakas and others ? Stita said : It is reported that the kingdom of the vicious king Bahu was taken over by Haihayas and Talajanghas who came along with Sakas ?