Bangladesh elections - were they marred by violence?

According to the BBC the elections in Bangladesh this week have been marred by violence.
The Bangladesh Election Commission should have the official version (site currently does not seem to be working )
Here are some other recommended resources for considering the state of democracy in the region.

Newspaper reports of the elections.
Washington Post
Guardian

local and Bengali media include:
Bangladesh Sangbad Sangstha, thestate-operated news agency
United News of Bangladesh, a private news agency in service since 1988
Bangladesh Daily Star.
also useful are blogs via Global voices online as they feature local input.

Human rights reports.
Concerns about the state of human rights in Bangladesh have been expressed by

Amnesty International 

Human Rights Watch. 

International Crisis Group.

Election observation mission statement of concern.

Asian Human Rights Commission has some press releases relating to the conduct of elections
Bangladesh Human Rights Commission website in Bengali

National Human Rights Commission Bangladesh has general assessments of the state of democracy and human rights in the region.

Appraisals by think tanks ahead of the elections included:
South Asia Analysis Group.
Asia Foundation.

Eurasia review.