the 2021 presidential election
... that according to Amnesty International, pre-trial detentions, bans on gatherings, and censorship have occurred in Chad in the lead-up to the 2021 presidential election?
... that according to <a href="./Amnesty_International" id="mwA5Q" rel="mw:WikiLink" title="Amnesty International">Amnesty International</a>, pre-trial detentions, bans on gatherings, and censorship have occurred in Chad in the lead-up to <b id="mwA5U"><a href="./2021_Chadian_presidential_election" id="mwA5Y" rel="mw:WikiLink" title="2021 Chadian presidential election">the 2021 presidential election</a></b>?