IMF said the situation has acted as a catalyst for enhancing domestic food production and reducing reliance on a small group of countries.

Qatar will not negotiate with its neighbours to resolve the Gulf diplomatic dispute unless they first lift the trade and travel boycott they imposed two weeks ago, HE the Foreign Minister Sheikh Mohammed bin Abdulrahman al-Thani said.

Maria Sharapova has begun her 2015 season on a winning note while Serena Williams has lost two of her first four singles matches.