Graham Platner, a Democrat, had acknowledged the tattoo this week on a podcast. He also sought to distance himself from old Reddit posts that drew criticism.
Amazon Web Services, a major provider of cloud services, cited a problem at its data center in Northern Virginia. The outage highlighted the fragility of global internet infrastructure.
The driver fled the scene after ramming a vehicle into a group of people, including children, outside a Maryland home Saturday night. He later turned himself in, the police said.