That is something that we have strongly condemned, and that is something we're going to continue to work to bring to an end.

WHITEHOUSE: Press Briefing by Deputy Press Secretary Josh Earnest

Meanwhile, Brown also met with Jacob Zuma, the president of South Africa's ruling party Wednesday, and the pair agreed that "something needs to be done" by African nations to help bring an end to the crisis in Zimbabwe.

CNN: Britain calls for Zimbabwe arms embargo