Sri Lanka's Tamil Tigers Monday said they had released 22 child soldiers and disputed figures from the United Nations Children's Fund that the rebels still had hundreds of under-age fighters. The Liberation Tigers of Tamil Eelam (LTTE) said they were also trying to locate families of 20 children still within their ranks. The guerrillas accused UNICEF, which lists several hundred children in LTTE ranks, of not updating its database. The rebels said another 41 child soldiers remained within their ranks but could not be released because most of them did not have parents or guardians. __