ST. GEORGE, Utah — With spring events in full swing, St. George police have reported a concerning rise in DUI-related arrests, raising alarms as the “100 Deadliest Days” of summer approach. Over the past week, a dozen DUI-related bookings were made across Washington County, underscoring the ongoing challenge of impaired driving as the region gears up for a busy tourist season. According to St. George Police spokesperson Tiffany Mitchell, two impaired-driving crashes occurred in quick succession on April 12 and 13. One crash took place near the Pilot gas station off Brigham Road, while the other occurred near Banana Blossom…