In exactly six months, the UK will leave the EU, with much having been made of the contingency plans being put in place by businesses that would rather relocate elsewhere than suffer the consequences of a no-deal outcome. But against all predictions, European art players such as Max Hetzler are deciding to establish a footing in London. The Berlin- and Paris-based dealer is opening a gallery, his first venture in the UK, today in Mayfair’s Dover Street. As the bustle of exhibitions, private views and special events surrounding London’s eminent art fair Frieze kicks into gear, Hetzler’s move paints a hopeful picture. London is still fundamental to the art market – and Brexit will take some time to undo its relevance.

It may be caught up in autumn festival season – with all the requisite hype and frenzy – but the Zürich Film Festival is a relaxed affair. The Swiss event that runs until 7 October, sandwiched between European big guns such as Venice and before the US season gets into full swing, offers a chance to catch up on all the year’s must-sees and also view some more leftfield arthouse numbers. Of note – and in recognition of the “moment” they’re having – television series are being recognised with an award for the first time. It’s a category that includes the HBO/TNT crime drama Hackerville and Netflix/Telemundo’s Luis Miguel.

The Chanel group may be one of the most discreet luxury conglomerates but this year it is making some noise. In June, the Parisian company owned by the Wertheimer brothers revealed its revenue for the first time: $9.62bn (€8.28bn) for 2017, the majority coming from Chanel, its marquee brand. Its latest splash has seen the group buy Orlebar Brown, the men’s resort-wear label known for its smartly tailored trunks. Some have reacted with surprise given that Orlebar Brown has a big online sales base – in contrast to Chanel, which is committed to bricks and mortar (the brand only sells certain accessories online). Yet Orlebar Brown will complement women’s swimwear label Eres, enabling the group to execute a co-ordinated charge on the luxury swimwear market.

Nigeria has long grappled with misrule and corruption by a powerful elite. But as the west African country prepares for a general election in 2019, those who hope it can finally turn a new leaf are taking matters into their own hands. This week a group of influential columnists from across the nation – including former director of the Lagos-based Daily Times, Tola Adeniyi, and Ray Ekpu and Dan Agbese of The Guardian Nigeria, among others – announced the formation of the League of Nigerian Columnists. The overarching aim of the non-partisan volunteer organisation is to hold the government accountable and stage co-ordinated interventions on important national issues. With the legitimacy of national elections in Nigeria still in doubt, journalists are making it their business to bring about change.