Yemeni authorities have arrested the financier of Al-Qaeda operations in the country and in neighbouring Saudi Arabia, an official said Sunday, as cited on the defence ministry news website. "The arrested man is named Hassan Hussein bin Alwan, a Saudi national, and he is the financier for attacks launched by Al-Qaeda organisation in Yemen and Saudi Arabia," the unnamed security official told September Net website. "He is considered one of the most dangerous members of Al-Qaeda," he added.