Mentall harassment and blackmailing

Hi, i used to be in relationship with a guy, thn he met ma parents n said no for marriage,after his response I refused to continue my relationship with him, now tat I am in relationship with someone else, he promised me to marry n to my parents also he did commit tat he will marry me, he had physical terms with me, i got pregnant thn he asked me to terminate it, thn he talked to his parents they got agreed n now tat ex-boyfrnd has created issues in whole society n even my boyfriend's family tat if u will marry tat girl I will publish some videos, n the thing is he has no such videos I was never in any physical activities with him, but he has some pictures of kissing so he is blackmailing me n sending those images to all, n my new boyfrmd is now not ready to marry me, n giving me threats tat I will not marry u...or if u will not sign a paper writing tat I never had a relationship with u...i will file a case against u, even though he has physical relation with me, i have every proof, his family is also threaten me to come to my place if I will not sign such papers....pls help...so tat I can save m reputation n I wana marry this guy, as he is doing this for his family they r creating troubles n threatning him also....i wana take a very serious action about my ex-boyfriend...who is threatening me ...saying tat marry me or I will spoil u...n ur family....