Myanmar's military is limiting critically needed humanitarian aid for earthquake victims in areas where it sees opposition to its rule, the United Nations human rights office said on Friday.The U.N. Office of the High Commissioner for Human Rights also said it was investigating 53 reported attacks by the junta against its opponents since the earthquake struck on March 28,

Earthquake-stricken Myanmar faces a humanitarian crisis. Political complexities are likely to hamper international aid delivery, leaving vulnerable people at risk.

The death toll from Myanmar’s powerful 7.7 magnitude earthquake keeps climbing amid rescue efforts. The military government said Saturday that 1,644 people have been killed.