The police said they believed the violence, which injured 18 people during Friday’s evening rush hour, was not politically motivated.

HAMBURG, GERMANY (AP) _ Results Saturday from Hamburg European Open at Am Rothenbaum Rot-Weiss Tennis Club (seedings in parentheses): Flavio Cobolli, Italy, def. Andrey Rublev (3), Russia, 6-2, 6-4.

Italy's Flavio Cobolli came from a set down to battle past Tomas Etcheverry of Argentina and reach the Hamburg Open final with a 2-6 7-5 6-4 win on Friday.Days before the start of the French Open on Sunday,

Third seed Andrey Rublev reached the semifinals of the Hamburg Open for the third time on Thursday after he beat Italy’s Luciano Darderi 6-1, 3-6, 6-3.

Several people have sustained “life-threatening injuries” in a knife attack at Hamburg’s Central Station, German police said Friday evening.