ST PETERSBURG (Reuters) – The construction time line for the Nord Stream pipeline from Russia to Germany has not been affected by U.S. claims that the project could undermine Europe’s energy security, Nord stream 2’s technical director said on Friday. Sergey Serdyukov told reporters that construction is set to start in July as planned. Reporting by Oksana Kobzeva; Writing by Maria Tsvetkova; Editing by David Goodman