Australian police said terrorism was likely not a factor in Thursday's vehicle attack on a busy pedestrian crossing in central Melbourne that left 19 people injured, some critically.Victoria Police Acting Chief Commissioner Shane Patton said a 32-year-old man arrested after deliberately ramming a white Suzuki SUV into pedestrians on Flinders Street had drug and mental health problems.He confirmed that 19 people were admitted to hospital after the attack, which occurred at 4:41 p.m. local time. Four people are in critical condition while the remaining 15, including the driver, are stable.Spe…READ FULL ARTICLE