Sri Lanka's Cricket Coach, Graham Ford, has suggested front-foot no-ball calls be made purely via the use of technology.
The suggestion was made on a day in which his team was on the receiving end of an incorrect umpiring decision.
Nuwan Pradeep bowled Alex Hales in the 46th over of England's innings but was denied the wicket when umpire Rod Tucker immediately deemed the bowler to have overstepped.
Replays showed a fraction of Pradeep's boot had in fact been behind the line, and Ford said Tucker had repeatedly apologised for the mistake.
Meanwhile, the Lankan team management unfurled a national flag from the dressing room balcony as a "gesture of support" for their players.
But it was later taken down, after MCC informed team management that no flags or banners were allowed at Lord's.