The public prosecutor in the German city of Flensburg has opened an investigation on suspicion of coercion following the blockade by a mob of angry farmers of a ferry with Vice Chancellor Robert Habeck on board. The office is also investigating whether other offences such as resisting law enforcement officers and breach of the peace have been committed, senior public prosecutor Bernd Winterfeldt told dpa on Friday. An unknown person is currently being investigated, he added. Demonstrators had prevented Habeck, who is also Germany’s economy minister, from leaving a passenger ferry travelling fr…