Hundreds of people gathered at prayer vigils and in church after the killing of three black people in Florida by a white, 21-year-old man. Following services earlier in the day, about 200 people showed up at a Sunday evening vigil near the Dollar General store in Jacksonville where officials said Ryan Palmeter opened fire on Saturday using guns he bought legally despite a past involuntary commitment for a mental health exam. Advertisement Authorities say Palmeter left behind white supremacist ramblings that read like “the diary of a madman”. A photograph of gunman Ryan Palmeter is shown on a video monitor...