Suspected overdoses caused by a toxic drug supply in Saskatoon are surging again after plateauing in recent weeks, according to new data from the Saskatoon Fire Department.

In the first 24 hours of April, crews responded to 21 calls for help with suspected overdoses, the department said. Calls had levelled off to about 10 per day at the end of March, but now front-line workers are bracing for a sustained spike overdose reports after consecutive days of higher than average calls.

Late Thursday aft…