Postpublished at 12:12 British Summer Time 28 June 2014
The couple have got into an open-top car with their escorts General Potiorek and Count Franz von Harrach. The imperial flag flies on the bonnet.
Image source, Mary Evans Picture LibrarySummary
Archduke Franz Ferdinand and his wife Duchess Sophie received fatal gunshot wounds, officials have confirmed
Questions being asked about security arrangements on royal tour
Archduke’s dying words imploring wife to “Stay alive for the children"
Assassin named as Gavrilo Princip, a Bosnian Serb
Earlier this morning the archduke’s motorcade was targeted in a bomb attack, but royal tour continued
Postpublished at 12:12 British Summer Time 28 June 2014
Image source, Mary Evans Picture LibraryPostpublished at 12:09 British Summer Time 28 June 2014
The motorcade is proceeding through the city, along Appel Quay, on the northern bank of the River Miljacka.
Postpublished at 12:03 British Summer Time 28 June 2014
Cannons from the old Turkish fortress to the east of the city boom out a 24-gun-salute to announce the start of the tour.
Postpublished at 11:58 British Summer Time 28 June 2014
Some people are shouting "Zivio" ("Long may he live") as the archduke and Sophie's car passes the crowds lining the street.
The visit has been publicised in local newspapers to encourage a good turn-out for the final day of the royal tour to the region.
Postpublished at 11:54 British Summer Time 28 June 2014
The imperial motorcade is travelling along Appel Quay towards City Hall, built in 1896.
Image source, Mary Evans Picture LibraryPostpublished at 11:50 British Summer Time 28 June 2014
The cars, 50 yards apart, pass by houses decorated with flags - Hapsburg black and yellow and Bosnian red and yellow.
Most of the crowds are on the city side of Appel Quay, seeking shade.
Postpublished at 11:46 British Summer Time 28 June 2014
The archduke's car has passed the central police station and the new army barracks.
BREAKING NEWS: There has been an explosion near the archduke's motorcade.published at 11:40 British Summer Time 28 June 2014
It's not clear what caused it. Witnesses say there was a loud bang and the archduke's car moved off quickly.
There is no word on any casualties.
Postpublished at 11:35 British Summer Time 28 June 2014
The cars following the archduke have stopped. One of the cars appears to have been damaged.
Police are amongst the crowd. the scene is extremely confused. There is smoke and debris.
Unconfirmed reports are coming through of injuries in the official party and in the crowd.
Postpublished at 11:32 British Summer Time 28 June 2014
The archduke's car has stopped. Officials are briefing the archduke on the incident.
It now appears the explosion was caused by a bomb thrown from the crowd on the river side of the Appel Quay.
Postpublished at 11:32 British Summer Time 28 June 2014
Images are coming in from the scene of the incident.
Image source, TopfotoImage caption, Crowds on Appel Quay after the explosion
Postpublished at 11:31 British Summer Time 28 June 2014
The archduke and Sophie are still in the car and have sent their aide Count Franz von Harrach to inspect the scene.
Postpublished at 11:30 British Summer Time 28 June 2014
A map showing the site of the suspected explosion.
BREAKING NEWS: Reports indicate that up to 20 people have been injured in the explosion.published at 11:28 British Summer Time 28 June 2014
Two military officers and a woman in the imperial party have been injured. It's not thought to be the duchess.
UPDATE: Eyewitnesses report seeing a man throw a bomb at the archduke's car.published at 11:24 British Summer Time 28 June 2014
They say the archduke himself deflected it from his own vehicle into the path of the car travelling behind.
Unconfirmed reports are suggesting a man has been arrested in connection with the bomb incident. He appears to have tried to jump from the embankment in an attempt to escape the scene.
UPDATE: Duchess Sophie is now thought to have sustained some sort of injury during the incident.published at 11:22 British Summer Time 28 June 2014
Reports suggest she has a graze to her cheek caused by debris from the explosion. She is not thought to be seriously injured. The archduke is reported to be completely unharmed.
LATEST VIDEO: Allan Little in Sarajevo with an update on recent eventspublished at 11:18 British Summer Time 28 June 2014
Watch the full report in the Key Video tab above.
UPDATEpublished at 11:16 British Summer Time 28 June 2014
It is understood Archduke Franz Ferdinand and Duchess Sophie are to continue the tour as planned.
Postpublished at 11:15 British Summer Time 28 June 2014
The archduke has been overheard dismissing the incident: "The fellow is insane. Let us proceed with the programme," he said.
Postpublished at 11:10 British Summer Time 28 June 2014
The archduke and Sophie have just arrived at City Hall.
Preparing to greet the couple are dignitaries from Sarajevo's Christian, Muslim and Jewish leaders.
The archduke is expected to take part in a welcoming ceremony while Sophie is due to meet the wives of Muslim officials.
Mayor Curcic arrived slightly ahead of the archduke as he was travelling in the vehicle in front of the royal car. He is now waiting to formally greet the couple to the ceremony.
Image source, TopfotoImage caption, The royal couple arrive at City Hall