The Met said Menezes'clothingng and behaviour' caused concerns.
China's rapidly expanding building projects have raised tensions and caused concerns among the United States and its regional partners.
In the past, this has not caused concerns because the metabolic networks studied were invariably associated with living cells.
Rather, he said, "It is Congress, by creating an atmosphere of fear, that has caused concerns among the foreign-born scientists".
Signs of a slowing property market, and of higher inflation and unemployment, have caused concerns that a 10-year boom in Spain may be over.
That would follow the trend already established in industrial countries, where the population slowdown has caused concerns about shrinking labor forces and aging populations.
But the prospect of expanding its authority to monitor mailings alarmed some privacy and civil rights advocates and caused concerns among postal officials, as well.
The military's frequent use of national security letters has sometimes caused concerns from the businesses receiving them, a counterterrorism official said.
News of the sale, announced late last year, had caused concerns in democratically governed Taiwan that pro-Beijing businessmen were increasingly taking control of the island's media industry.
Campaigning by candidates from the Bulgarian Socialist Party caused concerns, Mr. Dilkov said, because they spoke openly about increasing state involvement in the economy and introducing progressive taxation.
(AP) ALBANY: MODEST FLU SEASON -- A shortage of flu vaccine had caused concerns about a potential epidemic, but this winter's flu season has so far turned out to be milder than usual.
