NEW YORK — Single adult migrants will only be able to stay in New York City shelters for 30 consecutive days under a new policy Mayor Eric Adams announced Friday amid a ongoing influx of asylum-seekers. The policy, which takes effect immediately, means all single adult migrants who apply for shelter will receive notices upon being accepted for placement informing them they have 30 days before vacating their beds. According to Adams’ office, migrants who get 30-day notices will also receive “intensified casework services” aimed at helping them find their own housing, in New York or elsewhere. I...