Colleagues have paid tribute to leading international arbitrator and human rights advocate Emmanuel Gaillard, who has died at the age of 69.

The French lawyer's new boutique arbitration firm Gaillard Banifatemi Shelbaya Disputes (GBSD) has confirmed his unexpected death on 1 April.

Gaillard was the former head of arbitration at Shearman Sterling, the legal partner of UK charity Human Rights at Sea (HRAS).