An effective tool or a dangerous game? Asks James Landale, Diplomatic Correspondent for BBC News

DIPLOMATIC CONCIERGE: Just steps from Downing Street, Corinthia Hotel London has 45 suites that are perfect for high-level visits

DIPLOMATIC CONCIERGE: The Royal Suite at Jumeirah Carlton Tower is just a stone’s throw from the embassies of Knightsbridge and Belgravia

DIPLOMATIC CONCIERGE: The Langham, London’s Infinity Suite is the ideal London ‘home from home’ for VIPs and Heads of State

DIPLOMATIC CONCIERGE: One of the UK’s most exclusive hotel residences, Rosewood London’s Manor House Wing

DIPLOMATIC CONCIERGE: The Shangri-La Suite on level 39 of The Shangri-La Hotel at The Shard

AUSTRIA AT 100

The Times’s Michael Binyon recounts Sir Christopher Mallaby’s experiences as Britain’s Ambassador in Bonn

Hungary's Ambassador says A STRONG EUROPE NEEDS A STRONG CENTRAL EUROPE

Serbia’s Chargé d’Affaires Natasa Maric recalls the life and work of Dr Elsie Inglis