International oil prices rise, Iranian nuclear talks stall, Europe wants more sanctions against Russia

International oil prices rose on Monday (April 4) as concerns about tight supply persisted after Germany warned of more sanctions against Russia and talks to restart the Iran nuclear deal were suspended. Goldman Sachs raised its oil price forecast for 2023 to $115 a barrel from $110.

NYMEX crude oil futures rose 0.95 percent to $100.21 per barrel at 16:59 GMT; ICE Brent crude oil futures rose 0.68 percent to $105.10 per barrel.

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Iran said the U.S. was responsible for stalling nuclear talks in Vienna, adding to concerns about tight supplies. Iran said there are still outstanding issues, including the extent to which Washington lifted the terrorist group characterization of Iran's Islamic Revolutionary Guard Corps and the lifting of sanctions. In addition, Tehran has been seeking assurances that any future U.S. president will not withdraw from the deal.

Ukraine on Sunday (April 3) accused Russian forces of carrying out a "massacre" in the town of Bucha and called for new sanctions against Moscow. German Defense Minister Christine Lambrecht said the EU must discuss a ban on imports of Russian gas.