Peace talks between South Sudan's government and opposition groups on the pending issues are continuing in the Sudanese capital Khartoum, a spokesman for the government said.

Information Minister Michael Makuei Lueth told state media on Monday that the negotiations were ongoing between the parties through thematic committees to resolve outstanding issues in the peace deal.

He explained that the negotiators broke up into three committees on Monday.” One committee will look into Article 4 which talks about the states and other one will look into Article 5 which talks about the powers of the president, the first vice president and the vice presidents,” Makuei said.

“As for the other three issues that is the five ministries, the new five ministries, the composition of the constitutional amendment committee and the composition of the judiciary reform committee, these ones will be handled by one committee,” he added.

The senior government official further said the three committees are expected to accomplish their task on Tuesday.

He pointed out that the provisions, if agreed, will be incorporated into the signed peace agreement, "Let me assure the public that we are moving forward and we are moving very well,” he said.

The IGAD Council of Ministers had decided to extend the South Sudan talks on the remaining issues between the warring parties in Khartoum until 19 August.