There have been concerns expressed that a run-off election cannot safely be held in the coming weeks because of security threats and oncoming winter weather.

VOA: standard.2009.10.19

So, today, what do you think are the greatest national security threats or threats to America's interests.

现在，您认为,什么会严重威胁美国国家安全,威胁美国国家利益。

普林斯顿公开课 - 国际座谈会课程节选

She has had to take security measures to protect her family from threats.

VOA: special.2009.04.27

Most threats to police and security officers come from handguns.

VOA: special.2010.02.09

The survey,conducted with ActionAid Ghana, found what it said were serious threats to livelihood and food security Kingsley Ofei Nkansah is general secretary of Ghana's Agricultural Workers' Union.

VOA: standard.2009.08.23

He told a gathering in Washington recently the alliance is doing important things to ensure its security from conventional threats and from new ones like terrorism, piracy and cyber attacks.

VOA: standard.2010.06.11

"What we have are serious threats to public security,".

VOA: standard.2009.12.18

"We continue to look for ways to engage with Russia on missile defense in a way that is mutually beneficial and protective of countries' security against these new threats we face in the world."

VOA: standard.2010.03.26

Maryland Democrat Steny Hoyer said that he and Republican congressional leaders have discussed implementing new security precautions for lawmakers after an increase in threats following Sunday's health care reform vote and accompanying anti-reform protests outside the Capitol over the weekend.

VOA: standard.2010.03.25

Security officials in Massachusetts say there are no known threats to Boston and that Thursday's raids at a suburban home and a fuel station followed a period of close, confidential contact with New York's police department and federal agents.

VOA: standard.2010.05.14

"The best way to responsibly advance our security and the security of our allies is to deploy a missile defense system that best responds to the threats that we face and that utilizes technology that is both proven and cost effective."

VOA: standard.2009.09.17