Complex sentence: Newtown police dispatch first requested officers on the scene at 9:35 am Connecticut State Police received the first call at 9:41 am, and with Newtown police, quickly mobilized local police dog and police tactical units, a bomb squad, and a state police helicopter.
Split into simpler sentences: Newtown police dispatch first requested officers on the scene at 9:35 am. The Newtown police and Connecticut State Police mobilized local police dog and police tactical units, a bomb squad, and a state police helicopter.