Israel's actions relating to the blockade are both legal and morally justified. There is no humanitarian crisis in Gaza. What exists in Gaza is a terror-state determined to destroy a UN member nation. Israel has every right to defend the coast line and intercept any ship attempting to violate international law.
Snowden says he volunteered to go to prison to return to the U.S. (AP)
from the article: Gaza flotilla activists: One of our ships was sabotaged