mayor of having the officers blood on his hand. the union says the may your s support for protesters who have demonstrated against police tactics in the whack of the deaths of michael brown and eric garner jep diopardized the safef the officers. the mayor not directly responding to the accusations. he is focused now on victims and families. the may your s office responded to what is being said by the unions saying this rhetoric is everheated. and that it is causing anger and that it is highly divisive. alexandra field, cnn. u.s. president barack obama called new york s police commissioner sunday offering his support and any possible assistance he might need. mr. obama also repeated his message for americans to reject violence and word that harm, and turn to word that heal. prayer, patient dialogue, and sympathy for the friend and family of the fallen. we turn to a big story.