. >>> kamala harris issued a warning to those hoping to benefit from the policy. she warned of potential scams. she said illegal immigrants are targeted by attorneys who are not licensed to practice in california. immigration consultants who can't give legal advice are required to be licensed by the state. >>> hundreds of immigrants became new u.s. citizens in oakland this morning. [ singing ] >> 1200 people attended the ceremony and took the oath at american citizens. the largest percentage immigrated from mexico. >> there is word tonight the chevron refinery in richmond that caught fire may have to close for up to six months for repairs. a spokesperson for iir tells ktvu that chevron could be forced to shut the refinery but today they would not speculate on closure. this comes as they say they received 9,000 claims so far from people who say the fire effected their health. at least a thousand of them are planning to take legal action. >> enough is enough and it has to stop and we hope it will stop. >> he is heading a team of attorneys who are preparing a lawsuit

state attorney general kamala harris is sue -- the director misused millions of dollars in private donations to pay for large pensions and other perks including $80,000 in golf memberships for board members. seven americans have been killed in afghanistan in the last two days. let's go to alison burns in our washington, d.c. bureau on why the latest attacks are especially alarming. alison. >> reporter: dave, we are seeing more so-called green on blue strikes where the attackers are dressed as afghan security forces. a man in an afghan military uniform killed three u.s. troops today in southern afghanistan. it's the third attack on americans this week from the afghans they are training. so far 30 coalition troops have been killed this year. a suicide bomber killed three high ranking u.s. troops wednesday including sergeant major kevin griffith from fort carson. reporting live from washington, d.c. alison burns. >>> tropical storm ernesto is losing strength as it moves inland from mexico's gulf coast. the storm drenched the area and hit oil rigs along the yucatan peninsula. despite no damage t