530
On Tuesday , Saudi security officials said three suspected al - Qaida militants were arrested in Jiddah , Saudi Arabia , in sweeps following the near - simultaneous suicide attacks on three residential compounds on the outskirts of Riyadh on May 12 .
 militants: person; Jiddah: place
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: arrest jail 
  Option: person, agent, place 
Text: {0} 
Answer:
 militants: person; Jiddah: place