Per our best practices on social media, we're planning to tweet this momentarily:

Wikipedians are updating an article on explosions and gunfire reported in Jakarta, Indonesia. https://en.wikipedia.org/wiki/2016_Jakarta_attacks 

Let me know if there are objections or quibbles. 

Jeff Elder
Digital communications manager
Wikimedia Foundation
704-650-4130 
@jeffelder
@wikipedia
The Wikimedia blog