Leaders of a migrant caravan consisting of thousands of migrants have rejected humanitarian visas for some travelers as they continued the march towards the United States or Mexico city. The Mexican National Institute of Migration (INM) said that it offered humanitarian visas to pregnant women and children in the caravan but was rejected by leaders of the caravan, which set off from southern Mexico last week, according to Fox News. The visas last a year and grant migrants access to public services like healthcare, as well as the ability to work, Reuters reported. The caravan of migrants mainly consisted of South Americans, Central Americans, and Haitians. It left the town of Huehuetán in the south of Mexico on Oct. 23. Organizers Luis Rey García Villagrán and Irineo Mújica had migrants sign up with QR codes to join the convoy. In an interview with Reuters, Mújica said that many caravan members were distrustful of …