Google services were temporarily unreachable for some users after some traffic intended to reach the web giant was rerouted through other networks.

In a notice posted on Monday on its website, Google said it had resolved the issue as of 2:35 p.m. Pacific Standard Time, and that its services were operating as expected. The Alphabet Inc. unit said it would conduct an internal investigation but that it believed the root cause of the issue was external to Google.

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