You can delete or report the spam one by one or as a group.
To report a single email as spam, choose Options > More > Mark as spam.
To report multiple messages as spam, choose Options > More > Mark emails, put a check in each spam message's checkbox, and choose Options > More > Mark as spam.
After the marked email is removed, the display refreshes with the remaining email.
You can delete or report up to 10 emails at a time.