Manx Grand Prix organisers say two riders injured during racing are in a serious condition.
Wayne Axon was involved in an incident at Creg-ny-Baa, while Chris Moffitt came off at Ballacrye.
Both are continuing to receive treatment for their injuries.
They were injured in the Junior Manx Grand Prix on Saturday.
Northern bus services to be raised in Keys
Ben out of service for maintenance work this week
Richmond Hill closed again tonight for work
October warmer and sunnier than usual, says Met Office
MHK queries cost of Liverpool awards trip
DOI says it has 20 empty public sector homes
Marquee plan submitted by Milntown Estate
Fire crews called to free driver from crashed car