SEATTLE -- Comcast officials say some users were having trouble with internet service on Monday.
Comcast Cares tweeted at 10:36 a.m. saying:
"Some customers are having issues with their XFINITY Internet service. We apologize & appreciate your patience while we work to fix."
Customers around the country -- including the Seattle, Portland and Spokane metro areas -- reported that some websites were working, while others were inaccessible.
DownDetector.com had thousands of customer reports of trouble with internet service.
Comcast Cares later said it was an "external network issue" causing the disruption.
Shortly after noon, Comcast said internet issues were over for nearly all customers. What caused the outage remains unclear.