Three people are dead and at least 11 are injured after a 44-year-old pickup truck driver plowed into a crowd during 4th of July celebrations on the Lower East Side Thursday night. Officials say the driver, who was under the influence, has been arrested. In other news, the National Weather Service warns New York and New Jersey beachgoers to avoid swimming without lifeguards this weekend due to high rip current risks. Meanwhile, city data shows increased particle pollution from fireworks on Thursday. Plus, New Jersey’s congressional delegation is asking the federal government to investigate issues on Amtrak’s Northeast Corridor tracks over the last 11 weeks. WNYC’s Sean Carlson speaks with Representative Mikie Sherrill of New Jersey’s 11th district about the efforts. Finally, the drowning of two Brooklyn teens at Riis Park in the Rockaways raises safety concerns. WNYC’s Liam Quigley reports that Riis Beach is rapidly eroding, making rip currents stronger.