 The board offered a 10 percent wage increase over three years and says negotiations have been fair and in good faith. Police in Minneapolis arrested more than two dozen teens and young adults last night on suspicion of shooting fireworks at people and vehicles. Police Chief Brian O'Hara says most of the trouble this Fourth of July was in Dinkytown near the University of Minnesota. O'Hara says he was on patrol there with a group of officers when someone lobbed a mortar at them.