$FFHVVWRDODZ\HUDVDPHDQVRISUHYHQWLQJLOOWUHDWPHQW 24. The right of access to a lawyer should also include the right to have the lawyer present during any questioning conducted by the police and the lawyer should be able to intervene in the course of the questioning. Naturally, this should not prevent the police from immediately starting to question a detained person who has exercised his right of access to a lawyer, even before the lawyer arrives, if this is warranted by the extreme urgency of the matter in hand; nor should it rule out the replacement of a lawyer who impedes the proper conduct of an interrogation. That said, if such situations arise, the police should subsequently be accountable for their action. 25. Finally, in order for the right of access to a lawyer during police custody to be fully effective in practice, appropriate provision should be made already at this early stage of the criminal procedure for persons who are not in a position to pay for a lawyer.