NEW YORK: Oil prices slipped US$1 per barrel on Monday (Jun 16) in volatile trading after reports that Iran is seeking an end to hostilities with Israel , raising the possibility of a truce and easing fears of a disruption to crude supplies from the region. Brent crude futures settled US$1, or 1.35 percent, lower to US$73.23 a barrel. US West Texas Intermediate crude futures fell US$1.21, or 1.66 percent, to US$71.77 per barrel. Iran has asked Qatar, Saudi Arabia and Oman to press US President