Services and products look set to become scarcer still in Russia as yet more companies announced on Saturday that they are severing ties to protest the Kremlin’s ongoing invasion of Ukraine. Samsung Electronics said it has stopped shipments to Russia amid Moscow’s attack on Ukraine. The deliveries have been suspended “due to current geopolitical developments,” Samsung said in its statement. “We continue to actively monitor this complex situation to determine our next steps,” the company said. It will also donate $6 million to humanitarian efforts around the region, the statement said. Samsung …