At Seattle-Tacoma International Airport this morning crews are scrambling to de-ice some 70 aircraft to get them ready for take-off.

At Seattle-Tacoma International Airport this morning crews are scrambling to de-ice some 70 aircraft to get them ready for take-off.

Runways were completely shut down between 4:30 and 7:30 a.m. because of the icy weather, said airport spokesman Perry Cooper. When one runway reopened at 7:30 a.m., a Boeing 777 cargo plane landed. A second runway remains closed with no estimated time of opening, Cooper said.

Airport officials say that passengers need to check with their airlines before heading to the airport.

Cooper said that nearly 10 planes slated to land at SeaTac were diverted to other cities. The rest of the planes slated for Seattle were grounded at their airports of origin, he said.

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Nikki Waldron, of Fairbanks, Alaska, spent the night at the airport. She was coming from Houston, and has had two connecting flights to Anchorage canceled.

“When I got here …. there were no hotel shuttles, no taxis running, no pizza delivery to bring us food. Nothing.”