Oil heading for 7% weekly gain after Saudi attacks

SINGAPORE (Reuters) - Oil prices were on track to jump more than 7% this week, their biggest weekly rise in months, on rising Middle East tensions after a key Saudi Arabian supply hub was knocked out in an attack last weekend. A Saudi-led coalition launched a military operation north of Yemen's port city of Hodeidah, as the United States worked with Middle East and European nations to build a coalition to deter Iranian threats after the Saudi attack.Brent crude is on track to rise around 7%..