Answer the question about text:

Leaving my shift Thursday day shift I arrived the same time as my partner just after six that evening and before long the radio erupted in dispatch tones . A car fleeing the police has crashed and landed on its roof with four separate people entrapped inside . Our medic unit is dispatched along with multiple other ambulances and Rescue Companies .

What may have caused the radio to erupt with dispatch tones ?
Someone was running from the cops and got into a wreck .