July 20 (Reuters) - Dragonwave Inc DRWI.TO
* Dragonwave announces receipt of repayment demand and notice of intention to enforce security from comerica bank
* Dragonwave continues to pursue alternative financing
* Received from Comerica (NYSE:CMA) Bank repayment demand of US$17.2 mln
* Also received a notice of intention to enforce security under June 1, 2012 revolving credit agreement