 You can stop by any 7-Eleven today for a free Slurpee. National Slurpee Day is held every day on the 11th of July, and there's no purchase necessary. Meanwhile, there was a heavy police presence last night here at St. Mary Corwin Hospital in Pueblo. Pueblo police said they were working to contact a shooting suspect in the 2400 block of Lake Avenue. Citizens were advised to avoid the area. Anita Kofor, a business owner, said it was tense.