Some said al-Shabab fighters have gathered in a district to the north of the city which has seen some skirmishes and shelling by AU forces.
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Showers continue across some southern and western areas tonight.
A care worker and special constable has been jailed for attempted murder after lacing her colleagues' drinks with bleach.
A woman was attacked and killed by fire ants as she sat planning the funeral of her mother, who died the day before.