A group of residents, on Nov 15, 2019, pay tribute to a senior cleaner who died after being hit in the head from a brick, which was suspected of being thrown by a rioter in Sheung Shui. (Photos: China Daily)

A group of residents, on Nov 15, 2019, pay tribute to a senior cleaner who died after being hit in the head from a brick, which was suspected of being thrown by a rioter in Sheung Shui.

A group of residents, on Nov 15, 2019, pay tribute to a senior cleaner who died after being hit in the head from a brick, which was suspected of being thrown by a rioter in Sheung Shui.

A group of residents, on Nov 15, 2019, pay tribute to a senior cleaner who died after being hit in the head from a brick, which was suspected of being thrown by a rioter in Sheung Shui.

A group of residents, on Nov 15, 2019, pay tribute to a senior cleaner who died after being hit in the head from a brick, which was suspected of being thrown by a rioter in Sheung Shui.

A group of residents, on Nov 15, 2019, pay tribute to a senior cleaner who died after being hit in the head from a brick, which was suspected of being thrown by a rioter in Sheung Shui.

A group of residents, on Nov 15, 2019, pay tribute to a senior cleaner who died after being hit in the head from a brick, which was suspected of being thrown by a rioter in Sheung Shui.

A group of residents, on Nov 15, 2019, pay tribute to a senior cleaner who died after being hit in the head from a brick, which was suspected of being thrown by a rioter in Sheung Shui.