New York, Nov. 17 -- The UN High Commissioner for Human Rights is urging authorities in Bolivia to ensure security forces comply with international standards on the use of force following the deaths of at least five protestors on Friday.

The South American country has plunged into political chaos following the resignation last week of President Evo Morales, with at least 17 people killed in demonstrations since then.Michelle Bachelet, the UN rights chief, said while earlier deaths mostly resulted from clashes between rival protestors, the latest incidents appear to be due to the disproportionate use of force by the army and police.With the country divided, she fears the situation could worsen."The country is split and people on both side...