Police have confirmed that two Ukrainian men aged 22 and 25 have been arrested in relation to the explosions at mosques in Tipton and Walsall.
They are still being questioned on suspicion of being involved in the commission, preparation or instigation of an act of terrorism.
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Forecasts predict that this Halloween could be the hottest yet. Here's some of our region's best festive outdoor events.
Some sunny intervals may develop, helping to give much higher temperatures than Wednesday.
Some bright spells should develop, and it will feel warmer than on Wednesday.