Commuter chaos after contractor drills through subway tunnel

The TTC says a private contractor working at street level has drilled through a concrete subway tunnel, causing damage and delays along Line 1 during the heart of rush hour.

The work was unrelated to the TTC.

The drilling happened at Lawrence station and subway service was suspended between Lawrence and St. Clair stations. Full service has since resumed, but the TTC says subways will be running at reduced speeds northbound through the affected area.

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TTC spokesman Stuart Green says engineers were on site to determine the extent of the damage and if there will be any long term structural impacts.

Around 90 shuttle buses were called in to deal with the afternoon rush hour.

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The section of Line 1 was closed at 10 p.m. Tuesday for more permanent repair work, affecting travel options for the Raptors home opener.