The European figure skating championships carried on Thursday in Tallin, Estonia, even as the skating world mourned athletes who died in an aircraft collision near Washington, D.C.

Some skaters, their families, and coaches were on American Airlines Flight 5342 that crashed with a military helicopter on Wednesday night.

Six people associated with Zeghibe’s club in Norwood, Massachusetts, were killed in the plane crash: skater Spencer Lane and his mother, Molly, skater Jinna Han and her mother, Jin, and coaches Evgenia Shishkova and Vadim Naumov, a married couple who were world champion pairs figure skaters from Russia in the 1990s.