PHILADELPHIA (CBS) – A bicyclist was injured along Martin Luther King, Jr. Drive in Philadelphia Thursday morning, and Mayor Nutter was one of the first to call 911.

The 52-year-old cyclist was reportedly struck by a car near Sweetbriar Drive in Fairmount Park.

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Officials say Mayor Nutter got word of the accident from an assistant who was driving ahead of him. The mayor then stopped at the scene, where he called 911 and stayed on site until the ambulance arrived.

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The bicyclist was transported to Hahnemann Hospital in an unknown condition.

Part of MLK Drive was closed near Sweetbriar, causing major backups during the rush hour commute.

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