Brent oil tops $90 as US, Iran expand strikes in the Middle East

Brent, WTI at over one-month high
Iran's Guards say two oil tankers "exploded" in southern Strait of Hormuz
Number of ships transiting the Strait of Hormuz stays low during the weekend
SINGAPORE, July 20 (Reuters) – Brent oil prices rose 2% to more than $90 per barrel on Monday, ‌as escalating U.S.-Iran hostilities in the Middle East restricted oil shipments through the Strait of Hormuz.
Brent crude futures climbed $2.09, or 2.37%, to $90.19 by 0241 GMT, touching the highest since June 11, extending gains after rising 15.9% last week, its biggest weekly gain since ​April.