Military official : Many military targets in Syria are too close to border for airstrikes . A witness says hundreds are trying to enter the Syrian city ; ` ` we will get killed if we stay '' Two airstrikes hit a large ISIS unit and destroyed six firing positions , the U.S. military said . Many fighters on both sides have been killed in fighting , a witness says . Kurdish official : ` ` We did n't choose this war , but we are going to fight ''
Military official : Many military targets in Syria are too close to border for airstrikes . A witness says hundreds are trying to enter the Syrian city ; ` ` we will get killed if we stay '' Many fighters on both sides have been killed in fighting , a witness says . Kurdish official : ` ` We did n't choose this war , but we are going to fight ''