South Sudan called on the United Nations to impose sanctions against Sudan for "continued aerial and ground attacks" on its territory, according to a statement Friday. Juba filed a complaint with the UN Thursday over the alleged attacks, which South Sudan said numbered more than 100 since November. The attacks had taken place in Unity State, Upper Nile, Jonglei and the oil-rich western and northern Bahr el Ghazal regions, said Juba. "It is ... incumbent on the (UN Security) Council to now condemn the republic of Sudan's actions in the strongest terms possible, demand a cessation of violence and ... impose additional sanctions," the statement read. Talks between Sudan and South Sudan resumed in the Ethiopian capital Tuesday following weeks of violence that brought the two foes back to the brink of all-out war. Tensions remained high as the talks opened, with South Sudan accusing the Sudan of fresh attacks. The two sides have been at loggerheads over the withdrawal of troops from the disputed Abyei region.