VILNIUS, Lithuania — Up to 25 small hot-air balloons, some of them confirmed to be carrying smuggled cigarettes, entered Lithuanian airspace late Saturday and forced the shutdown of Vilnius Airport, delaying flights for hours, authorities said.

The balloons interfered with 30 flights, impacting some 6,000 passengers, according to Lithuania's National Crisis Management Center. Flights resumed at 4:50 a.m. Sunday.

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Up to 25 small hot-air balloons, some carrying smuggled cigarettes, entered Lithuanian airspace late Saturday, forcing the shutdown of Vilnius Airport

Authorities say the balloons interfered with 30 flights, affecting around 6,000 passengers. Flights resumed at 4:50 a.m. Sunday

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