Yemen\'s President Abdrabbuh Mansour Hadi met here today with the Advisor to the British Premier for Terror Combat Affairs Allen Robin who is currently on a visit to Yemen. During the meeting, the British official delivered a message to President Hadi from British Prime Minister David Cameron, informing him that Britain has decided to increase its annual financial support for Yemen to $300 million. The message also enclosed an invitation to President Hadi to visit Britain. Hadi welcomed the visit which will take place at a mutually convenient date to the two sides.