French far-left presidential candidate Jean-Luc Melenchon has denounced US President Donald Trump's decision to launch retaliatory missile strikes in Syria as a "criminal, irresponsible act". <br/><br/>Melenchon said in a campaign speech focusing on international issues today that the US missile attack on a Syrian air base was a "huge mistake" that would only increase tensions.<br/><br/>He says he wants France to pull out of NATO to avoid a confrontation with Russia.''<br/>'<br/>Polls suggest Melenchon and conservative candidate Francois Fillon are competing for third place in the April 23 first round of the presidential election. The two top finishers will advance to a May 7 runoff. '