Iain Vigurs gives Inverness a lifeline, sweeping the ball home with his left foot after Hibs get caught out by a diagonal ball.
Liam Hughes throws himself at a cross into the Hibs box and heads narrowly wide.
greig stamper: #bbcsportscot great to hear hibs winning by a stokes brace.hopefully another trip to hampden,time to break the hibs hampden hoodoo.ggtth
Liam Polworth replaces Carl Tremarco for Inverness. Another attack-minded substitution for the hosts.
Murray Davidson is not far away for Saints with a header.
Another chance for Inverness to get back into the game with the ball breaking to Josh Meekings, who fires wide.
Hibernian defender Darren McGregor is booked, meaning he will miss the semi-final against Dundee United should Hibs progress.
Tom and 20 others: "After recent hibs matches, dealing with a shot on target is even more encouraging than getting a 2 goal lead. #bbcsportscot"
A Brian Graham penalty draws County level after substitute Liam Boyce is fouled in the area.
Defenders Nat Wedderburn and Lewis Horner are withdrawn as midfielder Danny Williams and forward Miles Storey come on for Inverness. The hosts going for it now.
BBC Sport Scotland at the Caledonian Stadium
"Perhaps a reminder that Hibernian are a match for most sides. Another Premiership scalp seems on in cup competition which is exactly the sort of boost required after losing the League Cup final. Back on track?"
Gary Woods denied Chris Kane after the St Johnstone forward had gone clean through on the Ross County goalkeeper.
James Mitchell: #bbcsportscot So no great surprise that @ICTFC look like going for a 7th game without a win. What is happing to Inverness this season?
- SMS Message: what a brilliant season Hibs are having and a great advert to the strength of the Championship from James in Giffnock
Iain Vigurs is forced to shoot with his right rather than his stronger foot and Hibernian goalkeeper Mark Oxley makes a comfortable save.
Carl Tremarco misses a good chance for Inverness by firing over from Josh Meekings' cross.
Tonight's games resuming.
Edwin Scott George: "smh, this is absolutely shocking from inverness... @ICTFC #bbcsportscot"