"We strongly believe that there can be no substitute for dialogue and we thus call on the parties involved to commit to a peaceful resolution of the situation," Department of International Affairs and Cooperation spokesman Clayson Monyela said in a statement.
South Africa will support efforts by Kuwait and other countries that have already initiated a mediation process between the countries involved and will also throw its weight behind the mediation process, it said.
"We support all efforts by countries of the Gulf Cooperation Council (GCC) and the Arab League that are seeking to mediate a peaceful resolution.
"We call on all sisterly states of the region to resolve their differences through constructive engagement and give dialogue a chance," it said.
Saudi Arabia, the United Arab Emirates and Bahrain are among several countries which last week announced the suspension of all ties to Qatar over what they say is the state's support for extremist groups and its political proximity to Shiite Iran. Qatar denies the allegations.
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