四人因房屋火灾致母子死亡被捕

英国布拉德福德一栋房屋发生火灾，导致一名母亲和她的孩子丧生。警方已逮捕了四名与这起火灾有关的嫌疑人。

## Original Title: Four more arrested over fatal house fire

## Article Content:
Four more people are arrested over the deaths of a mother and her children at a house in Bradford.

Original article: https://www.bbc.com/news/articles/c2edp380j8zo