By Farah Master and Clare Jim HONG KONG (Reuters) -Hong Kong’s coronavirus battle intensified on Thursday as authorities reported that new cases had multiplied by 60 times so far this month, and the city’s leader said city-wide testing was being considered in the global financial hub. Hospitals have been overwhelmed with some patients, including the elderly, left lying on beds outside in chilly, sometimes rainy weather, in shocking scenes that prompted an apology from authorities in the Chinese-controlled city. Schools, gyms, cinemas and most public venues are shut and many office employees ar…