By James Pomfret and Jessie Pang HONG KONG (Reuters) -Cardinal Joseph Zen, one of the most senior Catholic clerics in Asia, and three others who helped run a now-disbanded Hong Kong fund for protesters were arrested by on charges of “collusion with foreign forces”, and later released on bail. Zen, a 90-year-old former bishop of Hong Kong, was questioned for several hours on Wednesday at the Chai Wan Police Station close his church residence, before being released on police bail. The silver-haired Zen, wearing a white clerical collar, left without making any comment to the media. Local police s…