In a news conference Tuesday before a flock of observers and reporters, Burris said he was not seeking a confrontation over the seat and would consult with his attorneys to determine his nextsteps.
"The Friends' Group called upon the Joint Special Envoy to determine a timeline for nextsteps, including a return to the UN Security Council, if the killing continues, " it added.
Affymax's chief executive said it is too early to determine how certain patients developed fatal reactions to the drug or what the company's nextsteps are.