i'm daniella. this is bbc world news. our top stories. heavy fighting continues between iraqi forces and sunni militants. the government says is there's no danger of the country splitting up. >> iraq are will remain you nighted. these terrorist are rejected by sunni leader. they'll be defeated. >>> people are killed in kenya after sunday's raid on a coastal town. >>> smart glasses might be the break through needed for people with severe sight loss to find their way around. >>> welcome to the program. we start with a worrying new development in the crisis in iraq. already in control of a number in the country including mosul in the north and fallujah further south, isis extremists are reported fighting less than an hour from the capital baghdad. we're talking around the city of baquba there. with the group spread across the country, president obama has announced the u.s. will deploy almost 300 troops to defend the american embassy in baghdad. american officials are discussing the crisis with iraq's neighbor iran. richard reports. >> report

and so daniella, i want to say that rick perry earlier this week, the governor of texas, pointed his house, and i want to listen to that. >> i have been haranguing and bringing to the attention of and flagging issues on that border for multiple years. i am deeply frustrated and disappointed in the administration's response. >> daniella, as we were talking about with beth, you can imagine the parents' desperation of putting the child through peril of trying to enter the country illegally by themselves, thinking they would be safer than at home where it is violent. what could the white house have done differently to wave off the flux of these undocumented immigrants and especially the children? >> well, it is a difficult situation, and like you are saying, they are leaving situations that many people in the country can even fathom, and they are also being told back home, that if you send your kids here sh, that they will be able immigrate and basically disappear into the system. so a lot of the parents are desperate for one, but two, fed some lies by people who are looking to profit of