An international compound housing military contractors in eastern Kabul, Afghanistan, has been attacked after persistent gunfire and a car bomb explosion.
The Taliban has reportedly claimed responsibility for the attack on the building.
More top news
He said people have handed over thousands of pounds in good faith, only to find the advert has nothing to do with Mr Lewis or his company.
The memorial service will be attended by Prince Harry and Meghan Markle.
David Browning admits manslaughter by diminished responsibility but denies murder.