A bipartisan group of US senators announced a deal on Tuesday, July 28, on legislation that would expand sanctions against Russia and Iran by giving President Donald Trump broader authority to target countries purchasing Russian energy.According to Bloomberg, the measure is expected to face a procedural vote in the Senate later Tuesday after Trump signaled his support for the legislation, which had been championed by the late Republican Sen. Lindsey Graham.JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official.Bill targets Russian energy buyersThe proposed legislation would allow the US president to impose sanctions on the world’s five largest buyers of Russian crude oil and natural gas, as well as the five countries considered most involved in helping Moscow evade Western energy sanctions.It would also authorize a blanket 500% tariff on Russian goods imported into the United States and an additional 100% tariff on the largest importers of Russian oil and gas or countries facilitating sanctions evasion.A last-minute revision limits the president’s authority to impose the new tariffs to five years.Iran sanctions extendedThe bill would also extend the Iran Sanctions Act of 1996 through 2031, preserving US authority to impose secondary sanctions on non-American companies conducting business with Iran.The law, which was due to expire this year, forms a key part of Washington’s sanctions framework against Tehran.Political and economic implicationsWhile lawmakers backing Ukraine have long pushed for tougher measures against Moscow, the legislation could complicate US trade relations with China and India, two of the largest importers of Russian energy.