Ankara and Doha would determine the "timeline of the construction of the necessary infrastructure and when these forces will be deployed through talks", the Turkish ambassador said.

For Qataris affected by the diplomatic crisis, the reality of politics is stark: families divided, assets frozen and dreams put on hold.

Qatar on Wednesday announced the conclusion of a €5bn deal with Italy to buy seven Italian naval vessels within the framework of military co-operation between the two countries.

Sheikh Saif bin Ahmed al-Thani, director of Government Communications Office, said the decision by four Arab states to add 18 groups and individuals allegedly linked to Doha to their "terrorist" list has no basis in fact.

Qatar is ready for talks to resolve the diplomatic crisis with the Saudi-led bloc so long as the country's sovereignty is respected and any deal is binding on all, His Highness the Emir said on Friday.

Sanctions imposed by Arab states pushed Qatar's inflation rate up only modestly in June, official data showed on Thursday, suggesting Doha is having considerable success in limiting economic damage caused by its diplomatic crisis.

The Philippine Overseas Labour Office in Doha has cited a steady demand for Filipino workers and professionals in Qatar despite the current diplomatic crisis in the region.

Iran warned Saudi Arabia to stop working against it as their diplomatic crisis intensified despite efforts to defuse a row that has raised fears of regional instability.