NEW YORK — Preliminary tests on a suspicious white powder mailed to six New Jersey hotels near the site of Sunday's Super Bowl XLVIII revealed the substance is likely corn starch, according to the police chief in Rutherford, N.J.

"That's what we're getting from Haz-Mat," Rutherford chief James Russo told USA TODAY Sports on Friday. "There was no threat that we should be concerned about."

WABC-TV in New York, which was first to report the story, said the police department in Carlstadt, N.J., received a call from an Econo Lodge at 11:30 a.m. ET that someone had opened a letter with the powder in it. Police then began receiving calls from the other hotels in East Rutherford, Hasbrouck Heights, Lyndhurst and Rutherford, WABC reported.

The television station said no injuries had been reported and no evacuations ordered.

Rutherford his department responded to the report at the Renaissance Meadowlands Hotel.

"Our scene is cleared. The hotel is back to business," Russo said.

The hotels are in the area near MetLife Stadium, the site of Sunday's Super Bowl between the Denver Broncos and Seattle Seahawks.

In a statement, New Jersey State Police said, "The Joint Terrorism Task Force and Hazard Materials units have responded to several locations that have received a suspicious letter and substance. There are no reported injuries at this time, and the locations are being secured. This situation is being thoroughly investigated and more information will be provided when it becomes available."

CNN reported that in New York authorities also were looking into the delivery of a letter containing white power to the Manhattan office of former New York mayor Rudy Guiliani.

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