Keystone pipeline raises concerns after third major spill in five years
An investigation into the pipeline’s largest spill is under way in Kansas as a recent report points to a deteriorating safety record
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction: Keystone pipeline raises concerns after third major spill in five years

### Response: An investigation into the pipeline’s largest spill is under way in Kansas as a recent report points to a deteriorating safety record