UPDATE 1-Burkina president says army vows to end protests
* Compaore says army promises to end protests
* Four students wounded after police fire on demonstrators
* Turmoil has posed biggest threat yet to his rule
(Adds police firing on protes, detailst)
By Mathieu Bongkoungou
OUAGADOUGOU, April 29 (Reuters) - Burkina Faso President Blaise Compaore said on Friday government soldiers had promised to end a rash of violent protests that have raised fears for the stability of the West African state.
Soldiers have ransacked shops and fired weapons during months of demonstrations over living conditions that, analysts say, have threatened Compaore's 24-year-rule.
Civilians have also taken to the streets in the usually placid country over rising food and fuel prices. Continued...