Wallace this week extended a similar invitation to Shoigu, asking him to visit London to discuss issues related to mutual security concerns amid a standoff between Moscow and the West over Ukraine and its NATO aspirations.
Russia denies planning an attack on its neighbour Ukraine, but says it could take unspecified military action if a list of demands are not met, including a promise from NATO never to admit Ukraine.
(Reporting by Gabrielle Tetrault-Farber and Tom Balmforth; Writing by Olzhas Auyezov; Editing by Alex Richardson)
