By Alex Lawler, Stephanie Kelly and Muyu Xu

LONDON/NEW YORK/SINGAPORE (Reuters) – Crude oil prices in many physical markets around the world have started the year rallied amid signs of more buying from China after it eased COVID-19 restrictions and concerns that sanctions against Russia could restrict supply.

China, the world’s largest crude oil importer, began rolling back its zero-COVID policy in early December in a development the International Energy Agency (IEA) expects will boost global oil prices…