FOUR blasts rocked Afghanistan's capital yesterday, killing two people, including a police chief who had been attempting to crack down on the city's growing insecurity, marked by almost daily assassinations. "In the wake of three terrorist attacks in Kabul this morning, Mohammadzai Kochai, police chief of district five of Kabul was martyred along with his bodyguard," interior ministry spokesman Tariq Arian said. Another three people were wounded, he added. A separate blast later hit a car near the upmarket international Serena Hotel, although a police spokesman said there were no casualties. District five, where Kochai was based, is a transport…