Germany has halted the certification process for the Nord Stream 2 gas pipeline after Russian president Vladimir Putin recognised the separatist regions of the Luhansk and Donetsk provinces in eastern Ukraine as independent republics. Former president Dimitry Medvedev warned the decision would “very soon” lead to a doubling of already high European gas prices. However, ICIS market analyst Alex Froley told Utility Week the response from gas traders so far has been relatively muted compared to other recent price surges.