The Yemen presidential elections were held on 21st february. As there was only one candidate the results focussed on voter turnout. for discussion of the system try these resources.
Yemen Fox gives a glowing account of the elections.However , the BBC reported violence.
Al Jazeera has a blog with images and coment.
For background information on the political situation see the
IFES site which has basic facts about the electoral system.
International IDEA website has some publications