Here's a direct transcript of what I found.
* A flare was fired 2 blocks to the east and 5 blocks to the south. (09-08 05:20 GMT)
* A flare was fired 14 blocks to the east and 5 blocks to the south. (09-08 12:37 GMT)
* A flare was fired 11 blocks to the west and 1 block to the south. (09-08 16:00 GMT)
* Game News: Significant new game features have been added since your last move. Read Game News (09-08 16:09 GMT)
* A flare was fired 2 blocks to the east and 3 blocks to the north. (09-08 16:18 GMT)
* A flare was fired 9 blocks to the east and 9 blocks to the north. (09-08 22:43 GMT)
I'm not sure what the flares are, but I assume there were people who needed help... and managed to fight off the zombies. I'm assuming that none attacked just where I am, because the announcement was made last night.