In a statement, the mission chief, Lt. Gen. Muhammad Ahmed al-Dabi of Sudan, warned of the "significant" escalation of violence in the previous three days and said it threatened negotiations aimed at ending the conflict.
"I'm not threatened by negotiations with the Taliban," she added.
Abbas said Israel's continued expansion of settlements, especially in Jerusalem, threatened the negotiations before they got off the ground.
"The Israeli settlement polices, particularly in Jerusalem, threaten these negotiations, and we ask that these decisions be revoked," Mahmoud Abbas, the Palestinian president, asserted after meeting with Mr. Biden.
At the Wada thinktank on Tuesday, the investigative reporter Declan Hill gave a keynote speech warning that Wada's future was also being threatened by negotiations with the IOC and the Qatari-funded organisation the International Centre for Sports Security (ICSS) about a proposed new agency to be called the Sports Integrity Global Alliance.
His efforts to trim European Union spending are threatening to bring negotiations on a new seven-year budget for the Union to a shuddering halt later this month.
Rather than Brussels threatening to suspend negotiations on the trade agreement, Brussels and Washington should use the Tymoshenko case to promote the rule of law in Ukraine.
Mr. Hun Sen was recently quoted as telling the United Nations to "stay calm and shut up," threatening to end negotiations for a tribunal.
Following the second IRA ceasefire in July 1997, he sent Trimble a fax outlining why he should enter political talks with Sinn Fein - at a time when many other unionists were threatening to boycott negotiations if republicans were included.
British Prime Minister David Cameron's efforts to trim the European Union spending are threatening to bring negotiations on a new seven-year budget for the Union, supported by Germany, to a halt later this month.
