ABU DHABI: The UAE Jiu-Jitsu Federation has announced the completion of preparations for “Jiu-Jitsu Month,” which includes two world championships starting from Saturday. The 27th Jiu-Jitsu World Championship, which is being held under the patronage of Sheikh Khaled bin Mohamed bin Zayed Al-Nahyan, member of Abu Dhabi Executive Council and chairman of Abu Dhabi Executive