Johnny Russell scored twice before being sent off as Dundee United eased to a 3-0 victory in the first competitive Dundee derby in seven years at a packed Tannadice.
A Gavin Gunning header after 14 minutes put Peter Houston's men ahead before Russell netted twice in three minutes just before the break to give the Terrors an unassailable lead.
Both sides had to play the final 20 minutes with 10 players after Russell and Dundee captain Stephen O'Donnell both saw red for violent conduct. The win moved United to the top of the Clydesdale Bank Premier League as they maintained their 100% record, while Dundee were left still looking for their first victory and goal of the new campaign.
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