California police investigate after 27 fall ill at half-marathon running event

California authorities are investigating an incident where 27 participants fell ill during a half-marathon event. The local hospital reported that the runners exhibited unusual symptoms following the race, which took place on an unusually hot day. The cause of the illness is under investigation, with health officials examining potential factors related to the weather and other environmental conditions. Participants are being monitored, and further updates are expected as the investigation progresses.