thousands are fleeing kunduz this morning. afghan security forces are unable to take back the city despite u.s. air strikes and nato special forces. let's bring in cnn's nic robertson live with the very latest. people think, syria, iraq, they forget there's a war going on. >> reporter: the taliban has been getting stronger. the taliban were pushed back yesterday out of some places they had taken. taken the jail, released 600 people, taliban. the government took that back. by the end of the day, taliban retain that from the government. the government can't get enough reinforcement in. they have cut the highway to the south where reinforcement would come in from. u.n. worried because 600,000 people have fled the city. more than 100 civilians killed and injured.