algunos

• Det

  masculine plural of alguno

• Pron

soldados

• Noun

  plural of soldado

• Verb

huyeron

third-person plural preterite indicative of huir

se

• Pron

  1. third person (also used for usted and ustedes) reflexive direct or indirect object oneself, himself, herself, itself, yourself; each other; one another
  2. used to convey the meaning of the English passive voice in the third person and with usted and ustedes

• Verb

refugiaron

third-person plural preterite indicative of refugiar

en

1. in, at, on
2. in (a time)
3. in (a language)
4. used after some verbs and translated by various prepositions in English
5. in (in various expressions)

su

1. Apocopic form of suyo his, her, its, one's, their, your (formal)
2. Apocopic form of suyo his, her, its, one's, their, your (formal)
3. Apocopic form of suyo (“your”)

fortaleza

1. fortress
2. fortitude
3. strength
4. firmness