希拉里将出访贝尔法斯特
US Secretary of State Hillary Clinton is due to arrive in Belfast as part of a four-day trip to Europe.
美国国务卿希拉里·克林顿将抵达贝尔法斯特,开始为期四天的欧洲访问之旅。
It is understood she will meet Northern Ireland's first minister and deputy first minister, and attend an Ireland Fund dinner at Titanic Belfast.
It could be one of her last foreign engagements as Washington's most senior diplomat.
Her visit comes amid tensions over the decision to stop flying the Union flag at Belfast City Hall every day.
There were minor disturbances in Ballymena on Thursday evening by loyalists protesting against the decision by Belfast City Council.
Meanwhile in a separate development, police arrested four men after a bomb, which police said was "a viable improvised explosive device", was found in a car in Londonderry's Creggan area on Thursday evening.
The PSNI said the arrests were part of an investigation into ongoing dissident(持不同政见者) republican activity.
Some residents had to leave their homes while the Army dealt with the bomb.
On Thursday, Mrs Clinton attended a security conference in Dublin as part of a four-day trip that will also take in the Czech Republic and Belgium.
Her term ends next month, and she has said she does not want a second term.
During her trip to Belfast she is expected to discuss the peace process and economic opportunities.
Northern Ireland First Minister Peter Robinson has appealed for loyalists to suspend all Union flag street protests.
Police have been attacked in rioting and premises of the centre-ground Alliance Party have also been targeted.