The Czech Republic's public broadcaster has named the Palestinian Ambassador reportedly injured in an explosion in Prague as Jamal Muhammad Jamal.
Emergency services spokeswoman Jirina Ernestová is cited as saying that his injuries are "very serious" and that he is in a medically-induced coma in hospital.
Photographs from the scene showed a police cordon and a range of emergency service vehicles.
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A team of detectives and specialists is set to begin a painstaking excavation of the area where Ben is thought to have gone missing in 1991.
The foreign secretary's suggestion last week's bombing of an aid convoy might constitute a war crime prompted an angry response from Moscow.
Goals from Charlie Austin, Dusan Tadic and James Ward-Prowse consigned Slaven Bilic's men to their fourth straight Premier League loss.