04/10/2015 07:08 EDT | Updated 06/12/2015 03:59 EDT

TTC subway service disrupted by power issue at Finch station

Subway trains on Line 1 are currently turning back at Sheppard station due to an ongoing power failure at Finch station, the TTC said Friday evening. 

Shuttle buses are operating in place of the trains. 

TTC spokesman Brad Ross said it's not clear when regular service will resume.