DOZENS OF GRAVES in a Jewish cemetery in northern Israel were desecrated overnight, police said Monday. Authorities suspect Arab activists caused the damage but are still investigating, said Police Commander Yaacov Borovski . . . EMERGENCY WORKERS capped a natural gas well blowout Sunday in Magnolia, Ark., and about 430 people returned home 2 1/2 days after they were evacuated in fear of an explosion. One worker was injured . . . THOUSANDS OF WORKERS stayed away from their jobs and 50 union leaders remained perched atop a giant crane Monday as a strike for higher pay and increased union power paralyzed South Korea's second-largest shipyard for a fourth day.