NEW YORK (CBSNewYork) — Police are investigating separate stabbings in two busy sections of Manhattan.

The first happened around 5 a.m. Saturday in Herald Square. The second was about 12 hours later in Union Square.

In the Herald Square incident, police said a 25-year-old woman was stabbed in the chest by another woman after an argument.

In Union Square, a man was stabbed on East 16th Street by a bald man wearing a green jacket, CBS2 reported.

Police are searching for the suspects in both incidents.