Navigate to Scan Queue page from left hand side navigation bar.
You can see a list of all ongoing scans here. Basic information and scan progress can be viewed here. An ongoing scan can be aborted using Abort button.
To get a detailed log of the scan, click any ongoing scan from the queue.
Scan details view will allow for detailed monitoring of scan progress. Log of completed or failed scan can be accessed using scan history feature. Scan can be aborted by clicking AbortScan button from this page.