Smoke rises near Riyadh Airport after explosions

1. 19 Sept
   Saudi Arabia Issues Air Raid Alert in Riyadh, Explosions Heard

   8 outletsbbc.co.uktone -5.64

2. 19 Sept
   Saudi capital issues first air raid alert since renewed fighting in Yemen

   4 outletsnzherald.co.nztone -8.06Yemen Conflict

3. 19 Sept
   Smoke rises near Riyadh Airport after explosions

   72 outletsbbc.comtone -6.18

Threaded automatically: developments join a story when their headline vocabulary matches the chain's persistent core, weighted by recency — no editors. Part of the wire.