Story highlights Report: The plot involved five to seven potential suicide attackers

Report: The tip about the plot came from another country's intelligence agency

Police asked residents to avoid large public crowds

(CNN) Two train stations in Munich, Germany, were evacuated and train service stopped on New Year's Eve, a spokesman for the Munich police said, citing concerns of a possible terror plot.

The planned suicide attacks were reported to be connected to ISIS, officials said.

Police have received "concrete information that strongly indicates that there are possible plans for terror attacks in Munich, specifically against the main train station and the railway station in (the western district of) Pasing."

Munich police said officials had deemed the information about the threat of an attack on New Year's Eve as serious and credible.

Authorities told the public additional officers were being called in to find possible suspects.

Read More