In order to load a block coming from a WCM generation. You may use the $this->loadWcmBlock()
Loading a block with a ttl of 10 seconds coming from WCM. <?php $this->loadWcmBlock('last5articles', 10, 'wcmSampleSiteLast5Articles'); ?>
<?php $this->loadWcmBlock('last5articles', 10, 'wcmSampleSiteLast5Articles'); ?>