A reader has just sent word that a "van just exploded into a fireball, a door flew off and hit a cop car. No one was inside." The tipster, who emailed this photo, tells us this is happened on 38th Street and Lexington Avenue. When pressed for more details, he replied, "I got nothing to offer man. Here's to Fridays! Have a good one." More on this as it comes in, but last year, cabs......