By Timothy GardnerWASHINGTON, June 17 (Reuters) - The U.S. Treasury on Wednesday did not publish an extension of its waiver of sanctions on Russian seaborne oil that ran out at midnight, but President Donald Trump and administration officials did not say whether that meant the measures would be re-imposed.

A temporary U.S. sanctions waiver allowing the sale and delivery of Russian seaborne crude oil expired for the third time on Wednesday, following comments made by U.S.

By Timothy GardnerWASHINGTON, June 17 (Reuters) - The U.S. Treasury on Wednesday did not publish an extension of its waiver of sanctions on Russian seaborne oil that ran out at…