A small area, including a security checkpoint, at the ticketing level of Sea-Tac Airport was shut down Wednesday night as police investigated a suspicious item.
After 9 p.m., the incident had been cleared by Port of Seattle police and security checkpoint 5 reopened.
Police were investigating in the north end of the airport and had to close off the checkpoint.
Officials said the suspicious item was a bag that was left near the checkpoint.
Airport officials said ticket counters remained open and there were no operational impacts to the airport.