At this point, despite their not actually seeing each other, the two groups began distinguishing between “us” and “them” and saying “they (the other group) intruded on our territory”.
The militants have been making inroads into Peshawar for many months, if not longer, and I do not think anything happened necessarily in Peshawar happened that was new this week to prompt this.
Work life may invade home life -- when a parent is taking job-related calls at home, for instance -- or household issues may start to take up work time.