Gazans, NGO question Israeli charges against aid worker His company is accused of helping divert millions of dollars in funds to Hamas, but Gaza businessman Saqer Alatar insists he barely knows the NGO worker at the centre of the storm. 'He' is Mohammed al-Halabi, the head of the Gaza office of Christian charity World Vision facing trial in Israel for working for its enemy Hamas, the Islamist movement that runs the Gaza Strip. IMAGES AND SOUNDBITES