pro-democracy demonstrations that have roiled the territory over the last 3 months one of them is joshua wolong a veteran activist and co-founder of pro-democracy group demo sisto authorities say wong and others are being investigated for their role in an unauthorized protest in june when protesters blockaded police headquarters police also arrested and each am the founder of a band pro independence party. was one of the student leaders of major pro-democracy demonstrations in 2418 he was released from prison in june after serving a 5 week sentence related to those protests. over the very latest let's bring in our correspondent our correspondent charlotte telson pil who is in hong kong sean what does the arrest of these prominent activists mean for the pro-democracy movement. but of course this is going to be a big blow to activists who are taking to the streets night after night 13 weeks is also clearly going to concern a lot of people who are on the streets that's about the legal challenges that they could face for processing now the activists who've been arrested or accused of taking part in