it arrived in western japan carrying 60,000 tons of lmg. they bought the lmg from a firm related to russian state controlled gas company. the tanker left a port in northern norway early last month. it then sailed through the arctic ocean along the russian coast and through the bearing strait. the route opened up as ice melted due to global warming. the distance is two-thirds that of the regular path which passes through the suez canal in egypt. the arctic route will enable japan to increase it's lgm imports and diversify it's lgm imports, cutting the energy dependence on the middle east, but challenges remain, including cost problems. it have russian government is making it a requirement for tankers that follow that route to use russian ice breakers. it's not only natural gas, the japanese are looking to other energy sources to replace nuclear power after last year's nuclear disaster. an exhibition featuring the latest using solar powered technology has begun near tokyo. about 200 companies are taking part from japan, china and germany and

. >> other firefighters had to act in defiance, lmg the fire burn while an armored personnel carrier evacuated people. seven homes were completely consumed, others nearby damaged. >> shooter is deceased. he died of self-inflicted gun wounds. >> he targeted his victim today from a nearby berm close to the burning homes. outside the firehouse, this tight-knit community is in mourning. >> his mom passed away and he lived with his sister. they believe he lured firefighters into the ambush by setting fire to their home and his own car. >> dan: unbelievable. today's tragedy in new york has touched from a firefighters all over the nation. the bay area is no exception. coming up at 5:00, we'll talk to local firefighters about the dangers they face on the job and what they are planning to do. >> carolyn: registered nurses at nine bay area hospitals are walking the picket lines for a one-day strike. this is the eighth walkout by the california nurses association against sutter health this year. union has been in contentious contracted negotiations for the past 18 months. sutter did hire replac