Late Tuesday a ballistic missile struck an administrative tower at Saudi Aramco's headquarters complex in Dhahran. Saudi Arabia's energy ministry confirmed an attack on an Aramco administrative building that caused a limited fire, with no casualties and petroleum production unaffected. Two more vessels, a container ship and a tanker, were struck by unknown projectiles in the Strait of Hormuz on Tuesday, and Iranian officials told Reuters Iran changed its tactics about 10 days ago to increase attacks on ships it considers in violation of its restrictions. Russia reported no strikes on Ukrainian energy targets on Tuesday, the first day since Sunday's ceasefire announcement, while strikes on other targets continued and no Russian diesel cargo has loaded. The diesel crack extended to $112.27, an eighth straight day above $100. Tuesday's settles split: WTI rose 0.4 percent and Brent fell 0.9 percent, and overnight both are bid. Canadian differentials traded again Tuesday: WCS December settled at -$25.55 and condensate December fell $1.00 to +$5.00.