I didn't watch it but the report is online:
Harper had a chance from just outside the box, but saw his subsequent effort saved by Hammers keeper Sam Howes.
Read more at http://www.seagulls.co.uk/news/article/brighton-hove-albion-west-ham-united-under-21-report-2780601.aspx#GzkXt4tYYftWA4tV.99