Police charge a second teenager after rocks are pelted at a police patrol car. Multiple outlets report the incident involves a patrol vehicle being struck by rocks, prompting police to investigate and identify those involved. A second teenager is formally charged, while four other teenagers are said to be assisting police with inquiries related to the incident. Authorities do not indicate in the provided reports any injuries, the exact location, or the timing beyond the fact that the rocks are thrown at the patrol car and lead to charges. The reports are consistent that the matter is ongoing, with further cooperation from the assisting teenagers and police continuing their inquiries. The outlets also align on the central outcome: escalation to a second charge, alongside multiple other youths involved in the investigation. Further details are not included in the supplied summaries.