Neighbour girl?

This girl in her 20s is my neighbour and I don’t talk to her at all, all I do is stay inside my home. She comes outside when my boyfriend comes outside all the time and today when my boyfriend was at work she shut our power off I saw her with her friend ofc I went outside and looked and saw her and her friend run inside giggling? I’m really confused as to why she would do something like this? Why she is trying to attack me?

Neighbour girl?
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