MOSCOW: The Russian embassy in London has sent a request for a meeting of its envoy, Alexander Yakovenko, with British foreign minister Boris Johnson to discuss the investigation of an ex-Russian spy and his daughter poisoned in Salisbury, the RIA news agency reported on Saturday. "We hope for a constructive response from the British side and are counting on such a meeting in the very nearest future," the agency cited a spokesman for the Russian embassy saying. The British Foreign Office confirmed it had received the request. "We will be responding in due course," a spokeswoman said.