Toronto Pearson International Airport was placed in lockdown due to a security incident, the airport said Thursday.
According to the Greater Toronto Area Airport Authority, the airport had a low-level security issue just before 9 a.m. Thursday and was placed in lockdown for 18 minutes.
"It is what is considered a containment issue," a spokesperson said. Further details were not provided.
As of 9:10 a.m., the situation had cleared, the airport said.