A strike specifically in the US-backed corridor raises the stakes further, since it targets the one arrangement Washington had been relying on to keep barrels flowing without a formal deal. Confirmation of the tanker's flag, cargo status and crew safety will be the next key data points for markets, alongside any US or allied response. --Earlier:The Hormuz standoff looks like it just turned kinetic again, with Iranian missiles said to be setting a tanker ablaze in the one corridor Washington had been counting on to keep oil moving. That statement came alongside reports that traffic through the strait had already dropped significantly, with at least one tanker struck on Saturday. Details remain limited at this stage, including the tanker's flag, cargo and the condition of its crew.