The British Second Army under General Plumer launched an offensive near Messines. The use of mines proved extremely effective in disrupting German defences, and the attack proved highly successful.
Citation:
Editors. "Battle of Messines".
The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=12480, accessed 22 May 2013.]