The UN special envoy for Syria said on Wednesday he had invited the Syrian government and opposition to a special meeting to be held next week in Vienna, Austria. Staffan de Mistura said that the January 25-26 meeting would focus on constitutional issues in Syria, Reuters reports. The special envoy “expects that delegations will be coming to Vienna prepared for substantive engagement with him and his team,” a statement read. The meeting will focus “on the constitutional basket of the agenda towards the full implementation of Security Council resolution 2254,” according to de Mistura.