NEW : Sudanese military commander estimates 1,200 South Sudanese dead . Two fighter jets fired four missiles at South Sudan ##ese towns , a witness says . We will teach the government of South Sudan a lesson . '' The airstrikes across the volatile border come amid reports of fighting . Witness : ` ` I saw one boy who was about 10 years old who was completely burned ''
NEW : Sudanese military commander estimates 1,200 South Sudanese dead . Two fighter jets fired four missiles at South Sudan ##ese towns , a witness says . The airstrikes across the volatile border come amid reports of fighting . Witness : ` ` I saw one boy who was about 10 years old who was completely burned ''