Hungarian law enforcement detained three men and one woman during a joint action by the NNI and the NVVH. The operation relates to investigations into alleged human smuggling and influence peddling, according to Hungary Police. Police carried out investigative actions as part of the case, culminating in the detention of the four suspects. Their case is now under investigation for the alleged crimes of embercsempészés and befolyással üzérkedés, Hungarian police said. The investigation continues.