"Israels violation of the Road Map, Oslo. That is unilateral." The Road Map and Oslo agreements have requirements from both parties. The Palestinians haven't fulfilled theirs, therefore, Israel isn't obligated to fulfill theirs fully either. Israel held up more of its end of the Road Map than the Palestinians did of theirs.
Syrian rebels call for regional alliance against Russia and Iran (Reuters)
from the article: Palestinians under world pressure not to declare state unilaterally