Qatar's prime minister has warned that an attack on Iran's nuclear facilities would "entirely contaminate" the waters of the Gulf and threaten life in Qatar, the UAE and Kuwait.

Qatar and Gulf states rely on desalination; Gulf water contamination would trigger a severe humanitarian crisis

Iran is snubbing U.S. President Donald Trump once again, for the second time in two weeks. Tehran has rejected negotiations on its nuclear program with the U.S. Amid the escalating tensions between Iran and the U.