This story first appeared on social media with little details:

https://www.facebook.com/yampolska.eva/posts/1416678358587090

Ukrainian forces (who are more likely Crimea locals) refused to surrender their base, but capitulated after the Russians threatened an adjacent school.

Very sensational, obvious. But it seems to have been confirmed, at least by Lyudmila Denisova – secretary (minister) of social policy ministry in Kyiv. She worked for a long time in Crimea.

Story here:

http://censor.net.ua/news/276998/krymskie_separatisty_i_voennye_rf_ispolzuyut_jenschin_i_deteyi_kak_jivoyi_schit_denisova

The story is low on details, but the rumor is that it went something like this: After Ukrainians refused to surrender, Russian forces surrounded a school and wouldn’t let anyone leave. Family members of the school children panicked. Some of them were relatives of the Ukrainian soldiers who decided to lay down their weapons and surrender the base. Soldiers were threatened and sent home.