The roof of the Metrodome in downtown Minneapolis has apparently collapsed. Witnesses say the roof is no longer visible above the dome's concrete bowl.

Chris Cowles is the security director at the Holiday Inn Metrodome, right across the freeway from the Metrodome.

"The chef lives in Elliot Park, the neighborhood just south of the Metrodome. And he came in and told us that it had collapsed. So we went up to the 14th floor to look at it. It looks kind of like a big dish of sugar," he said.

Officials with the Metropolitan Sports Facilities Commission, which operates the Dome, couldn't be reached to answer questions about the dome's condition.

Today's Vikings game against the New York Giants had already been postponed until Monday evening because of concerns about snow on the dome's roof. It isn't clear if that game will have to be rescheduled again.