It's not known if an overzealous workout enthusiast was the instigator of a morning pileup on a busy Halifax street when a large blue exercise ball bounced out into commuter traffic.

Halifax police said the four-vehicle collision took place near the intersection of Dunbrack Street and Washmill Lake Drive around 7:30 a.m. Wednesday.

The first vehicle stopped to avoid hitting the ball, causing two vehicles behind to come to a stop.

Then a fourth vehicle slammed into the one ahead, causing a crash.

While there were no injuries reported, police ticketed a 27-year-old man from Harrietsfield, N.S., for following too closely.

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